A recent discussion post has compared the difficulty of an AI destroying modern human civilization to that of a modern human taking over the Roman Empire, with the implication that it is impossible.

The analogy has a few problems: first, modern humans don't have much greater raw intelligence than the Romans, only a bit more knowledge and tools; an AI would have a genuine intelligence advantage. Second, a high-tech civilization like ours offers many more ways for a genius to cause chaos than existed in classical Rome: it's more plausible that you can throw a few existing technologies together to create a superweapon than that Ptolemy could have done likewise, and there's no ancient Roman equivalent to hacking a nuclear launch system.

But taking over ancient Rome might serve as an interesting upper bound on the difficulty of an AI taking over modern civilization. And it's a theme of Harry Potter and the Methods of Rationality that rationalists should be able to come up with creative solutions to seemingly hard problems. So if Professor Quirrell offered it as an extra credit assignment, how would you take over Rome?

Here are the rules:

- You are thrown back in time to the year 1 AD. You can choose to arrive anywhere in the world, but your method of arrival cannot itself give an advantage (you can't appear in a flash of light in the middle of a religious ritual or anything).

- You do not start with Roman citizenship or any other legal record of your existence.

- You keep your original physical characteristics, including sex, height, and fitness. You will appear in period-appropriate dress of your choosing, and can't carry any artifacts with you. You may start with enough money to live a patrician lifestyle for a year.

- You are intellectually near-perfect. You know all human knowledge as of 2012. You speak fluent Latin (and all other languages of the day) and can orate as eloquently as Cicero or Demosthenes. You are a tactical genius of the order of Caesar and Napoleon. And you have infinite willpower and goal-directedness: aside from human necessities like sleep or food, you need never rest.

- You win if you either become Roman Emperor (and are acknowledged as such by most Romans), or if a state you control conquers the city of Rome. You lose if you die, of old age or otherwise, before completing either goal.

How would you take over Rome?
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Rome? Why Rome? I arrive in China, attempt to ingratiate myself with the Han court. (I would be a white man, but would have full knowledge of Chinese and be an immaculate Confucian scholar. Hopefully that would be enough to get me close to the Imperial court, if just as an oddity.)

Somewhere in AD 2-5, the Yellow River changes course, causing massive suffering and discontent. I will have been predicting this since my arrival, as well as working tirelessly to reduce the damage done when things change. (Probably also betting heavily that it will happen.)

A major plot goes down in AD 3- the regent's son plots against the regent, with the regent winning. Ideally, I can use my foreknowledge of that plot to get a position of influence.

(If I can get there a year or two earlier, it's plausible that I could, by foreknowledge of astronomical and meteorological events, inventions, and knowledge of Confucianism, position myself to be the regent rather than Wang Mang.)

Once power is secured, economic and military technology is next. Rather than Wang Mang's unhelpful reforms, use the best of modern science to push forward the economy in every direction. Create an institute of naval architecture, an... (read more)

2[anonymous]
As much as I hate this thought experiment, I will upvote you for subverting the classical Han dynasty -- and for implementing the civil service exam a few centuries early. Hopefully under you it won't turn into a sham so quickly.

Let Me Take That Off Your Hands: Arrive in Rhodes. Future emperor Tiberius is there, fleeing his destiny and trying to live a normal life. Tell him that you're a time traveler from the future, and prove it with detailed prophecies of the next few years, including the fact that Caesar's heirs are about to die, leaving him sole heir to the throne. Warn him that when he eventually becomes emperor, he'll be miserable and unpopular, in part because it was clear that he never wanted the job. Persuade him that you're much better qualified, due to your advanced knowledge and ethics. Suggest that, when he's eventually begged to return to Rome, he do so on the condition that he be allowed to name you his heir. Spend the next decade ensconced in Rhodes, avoiding the butterfly effect, reinventing future technology, and translating The Lord of the Rings into Latin. When Tiberius is asked to become emperor, he invites you to join him as his chief advisor. For a few years, you prove your mettle and win popular support with your technology and literature. Tiberius then retires to Rhodes, leaving you in charge as regent. Nobody wants to assassinate you since that would just force Tiberius to come back. When Tiberius dies, you become the emperor in title as you have long been in fact.

Tell him that you're a time traveler from the future, and prove it with detailed prophecies of the next few years, including the fact that Caesar's heirs are about to die, leaving him sole heir to the throne.

While this plan would work in the scenario as specified by Yvain, we should probably disallow these kinds of solutions. We are trying to simulate a situation where a transhuman AI emerges in our own world; and, unlike Yvain's time traveler, such an AI would not have any foreknowledge of the future... Unless, of course, it becomes an oracle of some sort.

3AstraSequi
Perhaps the foreknowledge could be considered as analogous to the extra intelligence an AI would have.
2Bugmaster
Wouldn't the AI practically need to be an Oracle in order to predict all the upcoming historical events down to the specific date ? It would need more than intelligence, it would need nigh omniscience as well, IMO.
0AstraSequi
Even with current knowledge, we're not really omniscient about what happened in the past. I know the Romans were good record-keepers (I'm not sure how good), but I would be surprised if there weren't at least some errors and omissions in the small details. If we did have omniscient knowledge, I would suggest that the situation might be most analogous after several years - when you could still make predictions with high accuracy, but never really being sure that something you've done has slightly changed the dates or other details of specific events.
  • Step 1: Purchase a plantation in the Spanish province (A traditional harvesting grounds for recruiting of soldiers. Few citizens, mostly considered 'backwater' at the time.)

  • Step 2: Introduce the horse-collar, the plow, 'terra preta' (tilling of charcoal), fertilizer (easiest in this case: baked pig manure), insecticide, pennicillin, and wind-mill-powered pumped irrigation. These things together will result in massive harvests at low costs. They will also ensure that my peasants' children don't die, and are well-fed. My wealth will after one or two years of this expand massively. The absence of disease will also enable me to convince the local population that I am favored of the gods.

  • Step 3a: Utilize newfound wealth and the introduction of the pulley, the A-Frame, and the leaf-spring to build a fleet of Conastoga wagons for transport of crops and local goods at faster rates than anyone else could accomplish. Additionally introduce the water screw and associate it with the aeolipile (already-existing but unutilized historically) for water transport. Introduce distilling for alcohol (another trade good) and also for methalization of olive oil for biodiesel for fuel for simp

... (read more)

Upvoted for detail and thoroughness, but I think you're depending too much on the naivete of the natives. Step 3b is especially problematic; even if your guards are too loyal to sell you out (why?), you can't conceal that you're doing something in secret with a pack of metalsmiths. Just the fact that it's a secret will be enough to get the provincial governor's attention. That's probably not the end: he may well be an incompetent ditherer, or venal enough to take bribes. But as soon as you start training your infantry, the clock starts: the emperor sends an envoy ordering you to turn over your new weapons, you refuse, you're ordered to appear before a Roman court, you refuse, you're declared to be in rebellion, and it's on.

I think your one-year gamble is probably the better strategy for becoming emperor - maybe the best one, or close to it. Certainly the fastest. Surviving the next year would be tricky, though.

7Logos01
I'm only concerned about the technological prowess, not knowledge of its existence. I want to maintain my technological advantage. The guards can't convey information they themselves lack; and I'd make sure the job was lucrative enough. Well -- plantation owners were allowed to maintain their own household troops (within reason) -- and I'd have fewer than a thousand such. It'd be pretty easy to hide the total number of individuals involved; especially since the efficacy of my troops would be totally inconceivable. Careful bribery of provincial leaders and arguments/justifications involving guarding my own wagons, keeping troops always on the move to make them less apparent. Also -- I'm expecting to face charges of rebellion; they are an integral part of the plan. It would be best if they didn't come until somewhere between three and four years in. It's important to recognize that the usual response to 'wild' stories of 'incredible' weapons is skepticism. There's very strong odds that the initial inquiries/investigations would simply not recognize the scale/scope of the threat involved. But you are quite right; additional maskirovka should probably be involved to ensure that the total number of troops being trained is vastly under-reported. The usefulness of the weapons should also be down-played. It would be very easy (use clay bullets, undercharge the guns) to make it appear that they are only useful against poorly-armored highway robbers. That would stave off 'official' inquiries quite well. The Romans as a culture placed a lot of stock in the notion that victory in combat represented worthiness as a person. You can coast pretty far on such a victory. Capitalizing on it would be tricky -- how does one guarantee the loyalty of a personal elite guard?
2fezziwig
Yeah, ok; you have more scope for camouflage than I appreciated at first. It will eventually become obvious that you're training an army (you'll have to train them to fight in formation, and volley, and things like that), but when the provincial governor shows up wanting to know what you plan to do with it, you might well be able to get away with saying "I'm planning to conquer Rome and install myself as emperor, and if you go along with it I'll find you a nice fat province in the East to be governor of". And if that doesn't work, well, you probably can win a long campaign, it's just really messy. Indeed, but that doesn't mean they'll stop fighting you. Consider Cannae: most states would have sued for peace after so brutal an upset. Same deal after Arausio; the Romans were as proud and stiff-necked a people as have ever existed, China and America by no means excepted.
5Logos01
I'm planning on 20-man units, using modern infantry tactics (not much in the way of volleyed fire, nor pretty much anything in the way of formation firing). Also, air guns are quiet. So these aren't really much of an issue.

I really like your plan from the technological point of view, but I think that it has some flaws in the sociopolitical department.

Right off the bat, you propose buying a plantation, but those things are pretty expensive. Where will you get the money ?

The core of your plan is to develop, and maintain a monopoly on, technological superiority: in agriculture, construction, and warfare. Unfortunately, your technological advances must be incremental, by necessity -- you can't go from zero to digital computers, nor are you trying to do so. But this means that your technologies will be comprehensible to a well-educated Roman. This practically ensures that your competitive advantage will be stolen by your rivals very quickly. You avoid gunpowder for this very reason, but is it really that much harder to steal pulleys ?

You attempt to get around this with your death-watch guards, but who death-watches the death-watchers ? If I told one of your guards, "nine out of ten gods agree, you should allow me to sneak in one of my smiths to talk to one of your smiths, and BTW here's a purse containing MXXIV gold pieces with your name on it", what motivates the guard to refuse ? And what abo... (read more)

7Logos01
We were granted "enough money to live as a patrician for a year". I made an assumption about what that meant, since in those days all wealth beyond jewelry was in the form of real property (land) anyhow. Agriculturally Spain was traditionally relatively crappy. Land would be cheap and plentiful because it wouldn't be seen as a viable resource for crop harvesting. (I'd only be able to pull it off because of modern agricultural knowledge.) Nothing. Well, except that I'd be rotating the guards and so on. Plus; nobody would want what they were selling, at least for the first few years. And by then it really wouldn't much matter -- I'd already have the ramp-up I needed to maintain first-mover advantage. If "the secret" got out... they'd get girardoni air rifles. I would then simply move on to bootstrapping again w/ explosive weapons and revise the tactical rulebook on the generals of the day all over again. It takes, remember, FAR longer to retrain already-trained soldiers to use new tactics, and they tend to be socially conservative about even wanting to do so. Two total revolutions of military tactics in a ten year window? It would take an genius just to stay competent. (And such rare individuals are very susceptible to assassination. A problem I would also face.) Individually I fully-well expect a number of the techs to be stolen relatively early on. I'm alright with that, actually. A first-mover advantage traditionally lasts about five years. That's also one additional reason why I'd chosen a "backwater" or "rural" area to bootstrap in: there will be far fewer 'educated' men to deal with, and I will be able to ramp up -- initially -- in relative isolation. So while I'm bootstrapping up; they must A) discover my bootstrapping, B) uncover the methods used, C) adopt them for themselves. Each of these individually takes time. Horse collars, pulleys, and a-frames are all individually relatively low-hanging fruit. The leaf-springs necessary for conastoga wagons are far
0Bugmaster
Wait... where else would they harvest crops, if not on land ? They don't have hydroponics... That said, it's entirely possible that I overestimated the value of land as compared to a patrician's salary, so you could have a point. That's just a recipe for more leaks, IMO. I think your timetable is at odds with your secrecy requirements. If you truly became wildly successful in just a few short years, as is your plan, then everyone would want what you have. Sure, many people would look for the secret magical golden apple that you stole from the Titans or something, but a few smarter ones would come after your peasants, artisans, middle-managers, household slaves, and anyone else who could have knowledge about your operation. Again, this strategy is at odds with your aggressive goals. Sure, you'll see a lot less industrial espionage, but you'll also have a much smaller pool of skilled, mentally flexible artisans to draw upon. Speaking of which: This claim sounds extraordinary to me. It has been my personal experience (which, admittedly, is entirely anecdotal) that, in the modern world, training a fresh computer science graduate to become moderately productive on a real software project takes about a month; I recall reading somewhere that one to three months is the common figure. And that's just a CS graduate being trained to do what he studied for ! You are proposing to introduce entirely new concepts during the same period of time, in order to build complex (and expensive) physical objects, not software constructs. I think you'll need more time. Fair enough. You would be, at the end of your five-year-plan. It's one thing to say, "I'm the chosen of Vulcan because I saw an eagle flying upside down once". Everyone says stuff like that. It's a wholly different thing to say, "I'm the chosen of Vulcan because he gave me all this divine hypertech, and look, it's fwackooming your magistrate as we speak". Priests of all kinds -- including those of Vulcan -- would take y
-2Logos01
... perhaps I did not write sufficiently clearly. The land quality of the area is such that most who lived there would only be able to live subsistence-style lives. This is one reason why the land was a traditional recruiting grounds for the armies; enlisting was basically the only way to drag yourself out of poverty. What can they leak? They're guards, not technicians. It's not like even if I had technical schematics that stealing them would do any good: they didn't HAVE technical schematics in those days. They'd have to not merely steal said schematics (which I wouldn't even create in the first place) -- they would have to also take someone who was trained in how to read them. You and I both know that it's possible to fabricate a CPU using photolithography on silicon wafers. Who can you sell the knowledge of this possibility to? What would they be able to achieve with it? Does knowing about photolithography enable you to read -- let alone DRAW -- an x86 chip core? I'm sorry, but I don't find your opinion worth even considering any further on this point. If you can't tell the difference between the kind of knowledge that comprises technical competence and the kind of knowledge that comprises awareness of technical competence -- I'm not sure why your opinion matters here. See the above. You're confusing awareness of new technologies with the ability to create them. These are not even remotely similar. I have already stated -- repeatedly, I believe? -- that I just don't care who knows about what I can do. I'm only preserving the secrets of how to actually do it. Déformation professionnelle. I do not require the technicians producing the goods to understand what they are doing. I need only for them to understand their one single piece of the process. Furthermore, unlike software development, mechanical products are VERY susceptible to industrial line-assembly techniques. I would have ten or fifteen people -- a main blacksmith and his journeymen and his apprentices
5Bugmaster
That makes more sense, yeah. You are compartmentalizing the facts too much, and missing the bigger picture. Put yourself into the shoes of your ambitious, greedy and moderately smart neighbour -- let's call him Avaritus. He knows that you have begun extracting wealth from what was formerly known as a financial Tartarus of a plantation. He knows that your peasants and smiths are now equipped with various hitherto unknown devices. He has no idea how these things work, only that they do. He knows that your guards can be bought (or otherwise influenced). He doesn't know what "technical schematics" are, but he does know what "trained personnel" are. If you were Avaritus, what would you do at this point ? Are you building everything yourself, personally, or are you training people to do it for you ? If it's the latter, then your secret knowledge isn't hidden, it's just scattered. If your employees are capable of any form of communication, then the knowledge can be reconstructed. More on this below: That's true. But those techniques, in turn, are dependent on being able to crank out identical items to very high degrees of tolerance. Thus, at the very minimum, all of your smiths (and I doubt that your plantation would initially have more than a couple of smiths living there) will have to be trained to manufacture items to an absurd (to them) degree of tolerance, as well as in assembly-line techniques. This will take time -- more time than you seem to think -- and, in and of itself, constitutes a piece of secret knowledge that's almost trivially easy to steal. It does, if you want your pistons to actually fit inside your cylinders once the smiths make each part separately.. Did their mystery cults paint big targets on themselves, by proclaiming, "look, I've got a flying machine" ?
6Logos01
Here the region I'd be moving into would play some effect. The plantations that did exist in the plains of Spain were geographically isolated from one another. Most of the people in the area would've been hardscrobble farmers barely living at-or-above subsistence. And them I'd be actually helping out by-and-large (by way of expanding my economic empire.) Many of the simpler techniques I'd want to get spreading out; it would make it easier for me to expand my influence. I'd be able to offer trade/transport of goods and the services related; I'd be able to capitalize fractional-reserve-banking to help bootstrap up my neighbors -- just not as far as me -- and so on. I would only for the first year or two rely upon direct production of goods, as opposed to becoming the financier to the production and transport of said goods. That's what step 4 was all about. I would also, however, have to hide the efficacy and usefulness of my weaponry. I suppose I could sell leafspring crossbows to the guardsmen for other local plantation owners. The technical expertise needed to reproduce them would still be fairly high, and their rate of fire would be atrociously low (Even an expert crossbowman would take upwards of fifteen seconds to recock the bow.) I'd have to recruit smiths from other geographic areas. Not very difficult. I could also have journeymen upskilled somewhat more quickly, given the use of machine tooling and metalcasting. (Push comes to shove there's also tDCS to increase learning rates.) You keep insisting on this. I see absolutely no reason to take your insistence seriously. One or two weeks at most would be sufficient for them to "get the idea" of line assembly. It's a very simple concept. And I also don't really care if it gets out. Let it. The primary thing that I need to maintain technological secrecy on is the actual assembly of the air rifles. Everything else is an 'expendable' secret. Even that is too. And even then; that's why I'm keeping the guards prese
2Bugmaster
Fair enough, but this doesn't eliminate the problem of Avaritus, it just pushes it toward a later stage, and makes him a bigger player (since, by the time you encounter him, you will be a bigger player). You seem to be assuming, throughout this thread, that your knowledge is unique, and so are your plans. Other people might be able to steal it, or learn it from you, but they wouldn't be able to figure it out for themselves. In some cases, this is an entirely warranted assumption -- no one in Ancient Rome could even conceive of a vacuum tube -- but in other cases, the inferential distance is much shorter. Things like pulleys and fractional reserve banking are self-evident once they are deployed; they're kind of like HTML and "view source" that way. Transparency is inherent in the functionality. And as for your long-term strategic plans... well, if you were Avaritus, and you learned of a freshly-minted Patrician who is generating massive wealth, hiring up a bunch of smiths, buying metal in bulk, and is engaged in secret military maneuvers -- what conclusion would you make from this ? Remember that, while these Romans are (as specified in the scenario setup) dumber than you, they're not total idiots. How will you accomplish this ? After all, you'll need to train your soldiers in the use of your weaponry. Wouldn't they all have to be in on the secret ? How many soldiers are you planning on training ? How will you guarantee their unshakeable loyalty and discretion ? There are modern classes you can take on assembly line training. They take longer than two weeks, and they assume that the audience can read, write, and add, at the very least, which is more than I can say for your backwater Roman peasants. At this point, I'd like to see you produce some evidence that your two-week training period would be sufficient. In addition, have you personally ever tried to construct something relatively simple, like the Giordani air rifle, in your garage in the modern world, usi
2Logos01
Good. That means a stronger economy for me to work with. Especially since, if he were really my neighbor, I would very likely have a strong business relationship with him by then, providing fertilizer, transportation, and banking services for him. If he manages to steal a few of my technologies... GOOD. That makes him my ally. In all likelihood I would probably be setting up client sub-patricians as a surrounding buffer to myself anyhow, and feeding them inferior versions of my technologies for them to work with. They're also producing vastly more complicated products. And are training general assembly workers -- workers who can move freely from line-position to line-position. Using a vast array of modern tools in dynamic situations. Exactly the opposite of what I'd be doing. Your objection just doesn't hold water. You're making assumptions about what I'd be doing that directly contradict what I have explained I'd be doing. It's making any hope of this dialogue go anywhere quite vanishingly small. What part of: "I would train individual workers in individual rote tasks and ONLY those tasks" is such a difficult concept for you to grasp? Why is this such a cognitive stumbling block for you? You keep doing everything in your power to misunderstand me on this point. Why? The Giardoni air rifle is not "simple" to make by hand. While the metalsmiths of Rome frequently had the skillset necessary to achieve it, I myself do not. It also required a number of small-ish parts that would not be obvious as to their function in a damaged state. It could be reverse-engineered, certainly, but without an understanding of the mechanical principles involved the mere process of reverse-engineering it and constructing a successful prototype would take as long as a year even for a skilled metalsmith. If we presume merely a three month window for that, it would STILL take at least that long for that metalsmith to train others in its making, and without line-assembly to assist him in so
0Bugmaster
To summarize my objections to your plan: * Your goals of secrecy and widespread economic development are in direct conflict. * You underestimate the time it would take to execute your plans. * You underestimate the social opposition to your plans which would develop once you began making progress. With this in mind: Great, but then, why do you need all the death-watching rotating uber-guards ? Why not just make your technologies available at a reasonable cost ? You're going to be one step ahead of the competition no matter what, so what do you have to gain by keeping secrets ? Do these gains outstrip the productivity losses and potential PR disasters ? I was under the impression that what you'd be doing is, training your smiths to crank out plow/rifle/air pump/aircraft parts to precise tolerances. This process would start by explaining to them the concept of "tolerances". This can be done, and it can be done relatively quickly, but not as quickly as you claim -- especially since, as you say, "there is a HUGE difference between "knowing about" a thing and "mastering" a thing". Every time I bring up the potential difficulties involved, you just assert your position more boldly. At this point, I need to see some evidence. This is why I asked you whether you personally ever tried to construct an air rifle, to which you replied: Your character in this game we're playing would have the detailed schematics for the Giardoni air rifle memorized. Do you believe that, therefore, he would have not only the "skillset necessary to achieve it", but also the ability to teach it to average provincial smiths in Ancient Rome ? Or look at it in this way: you are not your character, but you have access to the Internet, so you don't need to memorize stuff. How long would it take you, today, using modern hand-operated tools, to manufacture a working Giardoni air rifle ? No, they did not, but they had the power to excite a population, just like they do in any other era. Ok, so I
-6Logos01
6CronoDAS
Usable penicillin is very difficult to acquire. The penicillin mold simply doesn't produce very much, and the chemical produced is unstable. It took a ten-year project to get a stabilized version that could be injected, and the first penicillin pill wasn't made until 1952. Also, windmills and waterwheels already existed. And where are you going to get an insecticide from, anyway?
3Logos01
The technical knowledge of which I would be in possession of. And therefore know how to shortcut to the end product. Three or four rounds of experimental trials, each taking a couple of weeks, followed by intentional use of radical selection pressure to generate a strain that has the desired properties. Given the generational periodicity of 1 week per round, six months at most would be sufficient to produce a working product. (Also; deep tank fermentation was a large part of why pennicillin would be available in bulk to me. A larger problem would be the probenecid production, but that's a different story.) Also -- the fact that pennicillin wasn't available in our history until 1952 in pill form wouldn't be much of an impediment nor even really an interesting question. Windmills, yes. In the hands of Persians, not in Romans. And they weren't moving quantities of water -- classical mechanics as we know it today was not 'invented' until over a thousand years later. There are many, many plants which produce insecticidal/nematocidal/fungicidal chemicals as a part of their normal lifecycles. Harvesting and processing them for these purposes is not exactly a technically complicated process. It just requires knowledge of them.
2johnswentworth
Major barrier right at the start: buying a little chunk of land is one thing, but a bunch of the stuff in step 2 will require very large capital outlays by the standards of the time - especially the mill. There's a reason automation didn't catch on before the industrial revolution: capital was scarce and peasants were abundant. It wouldn't be easy to actually produce crops more cost-effectively than peasant labor, when the peasant labor is absurdly cheap. Things like fertilizer could help, but even that will run into problems - people don't like poop on their food, and chemical fertilizer/insecticide requires relatively complicated manufacturing facilities.
1bramflakes
Forgive my ignorance, but is introducing penicillin such a good idea? It would provide a considerable advantage in the short-term, but once the cat gets out of the bag and the knowledge spreads to the rest of the Empire (I assume it's not that difficult to manufacture), you'd have antibiotic resistance everywhere, and no international medical community to clamp down on over-prescription. Additionally, showing off what biodiesel can do might kickstart general fossil fuel extraction before the technology exists to monitor pollution and greenhouse gas levels.
2Logos01
Re: drug resistance -- that takes decades to become a problem. By then I'd be soundly in control and could disseminate germ theory freely. I'd need to introduce other antibiotics as well but I'd have the ability to do so easily. 1. Introduction of biodiesel would bypass the adoption/usage of fossil fuels. Also, the population-at-large would be significantly smaller and would reach postindustrial status at a population far, far smaller than modern population. These aren't major problems.
1bramflakes
Would disseminating germ theory really help all that much? Rome itself might have been a fairly literate society, but in the time it would take to overcome all the inferential distances in just the educated classes, the drug would have spread like wildfire through the rest of Europe and the Near East by merchants hoping to make a quick sesterce from selling the "miracle cure" to the peasantry.
1Logos01
The Romans already believed something very similar to germ theory: that diseases were caused by an invisible contagion that was passed through contact/exposure to those already infested by it. Also, I would be the primary distributor and manufacturer of pennicillin; so I could have some control over how it was distributed. Ensuring it got into the hands first of medics trained in my courses -- I.e.; people who knew about germ theory -- would be trivial. Plus, I'd have decades to resolve the issue.
1CaveJohnson
Silly Logos01. Do you think you will get any of this done in a Constitutional Republic? In practice the Rome of the first century AD would be more a Republic than what you would need to get this done If this worked you would de facto be God Emperor of Hispania or the state would be a plutocracy with you as the wealthiest man in the world. Once you die good luck trying to set up a workable republican culture, or people following anything but the forms of your proposed system of government. Social engineering is hard. But in any case that isn't the goal here and I wouldn't be too upset in any case. Long live the Leviathan!
0Logos01
Well, I'd start out as god-emperor and dictator for life, but I'd try to keep myself from having an actual successor... (even if it didn't really work, just introducing the notion would eventually cause it to stabilize to that effect.) Indeed. Luckily these folks would not yet have been immunized to Nazi-style propaganda campaigns or other forms of indoctrination. This is one additional reason why I focused on propaganda and publication. I'd expect to face certain failure in achieving the total optimal result, but could at the very least implement a tendency towards these models. If I treat myself as an aberration to the system, and create a power structure that could survive me -- assuming I had a good fifty or so years to institutionalize it in the eyes and ears of mankind, I could spend the last ten or fifteen years gradually introducing the parliamentary rule; handing over more and more political power to the Senate in a graceful manner, until I'm seen as more of an advisory role than an actual power figure. That would be an end-state goal, though.
6GLaDOS
I'm having a hard time thinking of any population that is. I mean sure we won't see a rise in Nazism in our life times but that's because the Nazi's lost the war, not because people became immune to their propaganda techniques. If anything modern propaganda techniques are much better and we are even more helpless against them.
1Logos01
Immunized != Immune. It's an arms-race. Nazi-style propagandizing included use of radio and television, and control over print media, as well as sponsored postings of visual posters and the like in public spaces. These things are what I was referring to; and people today are relatively immune to such "crass" techniques, which is why modern propaganda techniques are so much more sophisticated: the "old" ones stopped being sufficiently effective. If we consider propaganda a form of virulent memeplex, then the immunological model describes quite well the history of and reactions to various forms of propaganda by the common populace over time: first there is exposure to a new "strain", and then people become resistant to it in a very similar manner to how we become resistant to various viruses.
7gwern
I wonder if anyone has ever studied Third World propaganda campaigns over time to demonstrate an 'evolution' which recapitulates Western evolution in propaganda? (I mention this because I saw recently the old example of Liberia's Charles Taylor who was elected when he 'campaigned on the slogan "He killed my ma, he killed my pa, but I will vote for him."'. Of course, his landslide was probably due to "the belief that he would resume the war if he lost." which is why one would want multiple countries. Do they all show this sort of phenomenon where laughably crude propaganda and campaigning works initially and is slowly replaced by subtler psy-ops, or is there no evolution because crude propaganda works best on those of low IQ, say?)
1khafra
I would imagine that any researcher who confirmed such an effect would refrain from publishing, and instead become the supreme dictator of some third world country.
0[anonymous]
Dictator? You mean campaign manager.
1fezziwig
As GLaDOS points out, nobody's really immune, as such, but it wasn't a new tactic. 'Demagogue' is a Greek word, and the techniques involved had been known for centuries before 1AD. Take the brothers Grachii as your bar; if you can manipulate public opinion more smoothly than they did, you might have a shot.
1pedanterrific
Markdown uses [link text](www.url.com)
-1Logos01
Immunization does not provide perfect immunity. I was referring to the specific techniques and methods used by the Nazis for propagandizing; broadcasts, posters plastered everywhere, and so on, and so on. People today are relatively immunized against blithely trusting the validity of government-sponsored statements. This was not true before that time.
1wedrifid
My model of humanity has them cynical enough that they stopped being blithely trusting of the validity of government-sponsored statements about ten minutes after the emergence in prehistory of something which could be loosely described as 'government'.
2Logos01
The history of the efficacy of the propaganda used by both the "Axis Powers" in WWII and the Allies in WWII would tend to conflict with your model, insofar as I understand both sets of data. "Rosie the Riveter" was a purely government-sponsored fabrication, and yet women signed up to work in factories by the thousands as a result of said campaign. German introduction of anti-semitism literally introduced the practice in Japan -- beforehand the Japanese people had a view of Jews that was quite the opposite (i.e.; that they were a 'superior people') ... which is why before the German/Japanese alliance got fully implemented, the Japanese had an active recruiting campaign for Jewish persons. There are a vast swathe of such examples from that era. None of these techniques are effective today. See: "Tobacco is Whack-o", "This is your brain on drugs", etc., etc..
1CaveJohnson
Are you sure this is a good idea considering modern Western civilization hasn't yet demonstrated the survivability of such technology? Let alone an upstart society in underpopulated Roman Spain. In any case the ancients did know means of birth control and it at various points sapped the power of the Roman state.
1Logos01
Silphium was reputed to have birth controlling properties because its seeds were heart-shaped. I was talking about something a little more... reliable... such as, say, Premarin. As to the survivability of such technology -- TFR explosions are a problem. birth control would be introduced to cut down overpopulation resultant from implementing immunological practices (vaccination and antibiotics.) The problems of modern fertility rate have far, far less to do with birth control and far more to do with the economics of raising children in a postindustrial environment. Even then, it turns out that TFR is showing a reversal of the declining trend in the last few years. Overall I'd say there's pretty little to worry about. Especially since I'd have a good five decades of longevity to play with; I could pretty reliably introduce computing and electronics within that window, and that would be enough to ensure humanity develop AGI sometime in the next few centuries.
1CaveJohnson
You got it wrong. It is the other way around.

Do I get points if I seduce an emperor and control him as my puppet or do I have to become acknowledged Empress Regnant?

Second-order problem: You are to be thrown back in time, as Yvain stipulates, along with everyone else who has already posted a plan in this thread. The winner is the one who becomes emperor first. (My bet is on Alicorn.)

3Alicorn
Thanks for the vote of confidence. I mean, I have all my teeth, seducing an emperor should be a snap. (There were other wrinkles to my plan - I was going to become the emperor's pen pal first as a male persona and present myself as said persona's daughter offered to the emperor as a token of friendship and be "possessed of oracular powers" - but this only works if Puppeteer Empress-Consort is a win condition.) (If Puppeteer Empress-Consort is a win condition I can cooperate with someone else who is also thrown back.)
7DanielLC
Just teach us all to polyhack and we can all win.
3Alicorn
I'm not sure how that would work... unless I hacked everybody bi too...
3DanielLC
I suppose we could have khafra do that hack. I figured that being in love with half the people would be good enough, though.
5Alicorn
I don't think we're looking at that kind of gender ratio.
0DanielLC
Well, we'll at least all be in love with you. Is that good enough?

Aww, I feel so counterfactually beloved.

6CharlieSheen
Plenty of pretty young things will too. Some of them may even be patrician by birth.
5gwern
Don't be so sure. You've got some pretty severe competition. For example, Procopius, in his bitter Secret History, claims of Theodora (consort to Emperor Justinian) that in her days as a dancing girl/prostitute (before capturing Justinian's heart) she
9Alicorn
I don't actually think seducing an emperor would be a snap, it just seems more doable for an early-twenties female than raising an army.
2Vaniver
Early twenties? You realize that you're almost a spinster, right?
0Alicorn
Yeah, I'd have to figure out how to lie about my age or work around it.
4Bugmaster
As far as I understand, you would look younger than your actual age to the average Roman, due to the vastly superior health care and nutrition that you'd enjoyed in modern times. So, you should be good on the age front.
2Thomas
I doubt, 1000 at least, Roman women were constantly on the same mission, with little or no success for themselves.
-1Alicorn
But did they have all their teeth and oracular powers?
1Thomas
Matters a little, A wife or a mistress of an emperor could hope only to survive some more. Her son might become the new emperor. He might, she could not.
6Mitchell_Porter
By Yvain's hypothesis, she possesses all human knowledge as of 2012. That makes her (along with all the other competitors) strongly superhuman. In my book, she wins simply because her declared strategy means she starts closer to the throne than anyone else.
[-]Nile240

Interesting stuff: but I'm going to throw in a few disappointments on technological triumphs, and propose a peaceful takeover by affordable glazed pottery.

Firstly, the printing press: movable type is a great idea but you also need paper. And you'll need the 'killer app' - or rather, the book with a massive pre-existing demand. In 1 AD, that's not the Bible! If you got the authorities interested in the promulgation of official edicts and shool texts, you might be able to scale up the business to kickstart a commercial printing economy - but scaling-up is not the same as starting up, and you'd need a lot of capital just to demonstrate the technology to skeptical officials.

Without official patronage, getting the paper-and-printing economy started will need more capital than you've been given: you'd need a runaway success in some other small startup business or the patronage of someone with a medium-to-large country estate.

Maybe the 'mysterious healing' of some aristocrat's favourite slave and a religious conversion isn't such a bad starting point, after all. It's no less plausible as a way of gaining access to resources to start building a technological power-base.

A guns-and-steel rou... (read more)

[-][anonymous]190

I hope you have an expensive gold wedding band but otherwise start off by keeping your mouth shut. Find someone who will take care of you for a few days or weeks and then look for employment in the local church. Your marginal product is quite low, even once you have learned the local language. You might think that knowing economics, or perhaps quantum mechanics, will do you some good but in reality people won’t even think your jokes are funny. Even if you can prove Euler’s Theorem from memory no one will understand your notation. I hope you have a strong back and an up to date smallpox vaccination.

Tyler Cowen

[-]Emile190

Fun game!

I would go the Joseph Smith x Christianity route:

I would first spend a bit of time familiarizing myself with the politics and religion of Rome (what gaps do I have in my modern knowledge?).

I would write a holy text claiming to be a divine revelation; it would be written on large tablets of aluminum (aluminum synthesis should be possible, and it is a plausible "unearthly material"; if my awesome knowledge makes it possible to make a metal that would be slightly more impressive or easier to make than aluminum, good). The front face would be readable etchings, but the back face would be usable for printing, so with a simple enough apparatus copies of the text could be easily created.

The text itself would be written in poetic Latin, claiming to be a revelation from a politically acceptable and "plausible" divinity, and saying nice things about the established Roman clergy (the goal isn't to turn them against me), claiming that I am a special seer sent by the Gods. The text would also contain exhortations in various languages (in their own scripts) exhorting Hebrews, Persians, etc. to bow down before the might of the Romain Empire, it's Law, and it's Gods, p... (read more)

7Emile
Some refinements, after reading other ideas in this thread: * Split the work into several books: one targeting merchants and navigators, one targeting scholars and lawyers, one targeting priests, one targeting noble families, one targeting plebians, a secret one targeting the army, etc. (the details could vary depending on which targets are the most valuable) The books would reference each other (except the military one) as a marketing ploy. * The secret military book would be written in an alternate alphabet (simple replacement of letters with strange symbols as a low form of security), and include instructions on some military technology: crossbows, composite bows, stirrups, better steel, secret codes and how to break them, the tactical implications of the new technology, etc. - the goal is to allow the Roman Army to develop new technology and have the time to perfect it before knowledge of it becomes widespread (unlike the other books, divulging the content of this book to unroman ears would get punishment in the afterlife). This should help the army be more supportive of the new ideas introduced by the books in general, and thus of my eventual claim to the throne. * Antibiotics! Also, proper washing of hands by the doctors should be among the religious commandments; the book on medicine should include an explanation of microbes, sterilization and other useful concepts, and describe ways to experimentally test those theories. * The messages aiming to be broadcast to the foreign heathens could go along with Latin translations of those texts, as well as explanation of what valuable goods those people are likely to hold, and what they are likely to value, giving an incentive to merchants to try to reach India or even China. * The book aimed at the noble families could include well-written adaptations of the stories of Hamlet, Romeo and Juliet, etc. but cast in a distant semi-mythical past where the main characters are presented as ancestors of those noble
3LuxAurumque
Do I have to take it over? Can I not just use my body of knowledge to churn out technology and Enlightened thought to (hopefully) allow humanity to skip a couple hundred years' worth of religious intolerance, and ignorance of rational thought?
2A1987dM
Huh, you'd be very unlikely to make it to AD 79 anyway. (On the other hand, tectonics might (or might not) be chaotic enough that what you do might advance (or delay) the eruption.)
0RobertLumley
Hm. 1 AD and Christianity is on the rise. That's one of the prime reasons I didn't want to start a new religion. Sounds like a good way to get yourself killed. See also: Jesus. Jesus threatened the power structure of Rome and didn't get much for it...
[-]gwern110

Imperial Rome was in general extremely tolerant of new religions, of which there were many new mystery cults - as long as they accepted a few ground rules vis-a-vis politics, and even those ground rules were negotiable. For example, the Jews were allowed to break all sorts of rules like not sacrificing to the emperors or ejecting legion standards from the Temple. As far as we can tell given the sources available (which likely skew pro-Roman), the Jewish revolts were not really the Romans' fault.

7James_Miller
This also means that there was intense competition among religions which would reduce the chance that any one religion could gain adherents.
3Eugine_Nier
On the other hand, a printing press is an enormous advantage for spreading memes.
2gwern
That's right, and that's also probably why Christianity grew extremely slowly early on. (I wouldn't go the religion route myself unless I had technological miracles to employ.)
2John_Maxwell
I wonder why Christianity won so big in the end then, given that it wasn't displaying early memetic virulence.
4gwern
People have speculated about that for a long time. Relevant factors seem to be the decay of the Roman military discrediting Christianity's major rival, Mithraism, lack of vitality in the pagan faiths such as diminished oracular activity discrediting them ('the silence of the oracles'), and good political luck.
0RobertLumley
My point is more that you're instantly going to alienate a great number of people and make things much, much harder for you.
5gwern
Who are you going to alienate by starting a new religion? No one unless you choose to. (Even the intolerant Hebrew scriptures were respected among the pagans by virtue of their antiquity, and this was a big selling point for the many fellow-traveler non-Jew Jews, if you will, and for the later Christians.)
1RobertLumley
But did the Hebrew's respect the pagans? Religion is mindkilling, and anyone who ascribes to another one is going to be less fond of you. At least that's what I was thinking.
1gwern
Did they all? Who knows. Xenophobia is universal. We do know there were instances and veins of respect for some pagans who did not go so far as to convert & be circumcised. If they were 'righteous', which entailed following the basic moral code, they might even avoid Gehenna.
6MileyCyrus
Jesus (if he existed at all) was probably about 5 at that point. He won't causing trouble for another three decades.
5RobertLumley
Oh duh. I'm remembering a cached thought that I'd already heard was wrong that there were 20-whatever years between 0 A.D. and 1 A.D.
2Thomas
Not at all. Many decades later. EDIT: I didn't see the MileyCyrus' post which asserts the same.

I propose a slightly altered scenario, which is (IMO) more suitable for simulating an AI:

About you:

  • You are very intelligent; smarter than the smartest person who'd ever lived on Earth as of January 2012.
  • You have perfect recall; that is, you are able to instantly remember anything that you'd ever experienced, including any text you'd ever read.
  • You have read, experienced, and, due to your vast intelligence, understood, the sum-total of all human art and knowledge as of January, 2012. This includes all topics such as science, technology, sociology, public speaking, music, etc.
  • You have infinite willpower. Though you need food and rest, you never get bored or distracted.
  • You can perform arithmetic operations very quickly; in our world, you'd be called a "Human Calculator".

About the setting:

  • You find yourself inhabiting a new body in a parallel world, inhabited by parallel humans.
  • This body is human in appearance, and is of whatever age and gender you choose. Its performance is comparable to any other native of the parallel world, with the exception of the brain, which is able to support your capabilities as described above. While you don't have super-strength, super-
... (read more)

I think we tend to underestimate the extent to which technologies arise out of the times they are found in - in many cases they arise almost as soon as they are practically possible. In many cases I suspect they arise before they are practically possible, and fail, repeatedly, until surrounding technology advances to the point that it's possible to make them work. Steam engines, for example, weren't invented until the 1700's because metals were so bad at the time that pressure vessels were impossible to make safe - early cannon were extremely hazardous for this reason, and operated at low pressures. Early steam engines also couldn't afford large amounts of metal, and were largely made of wood - a highly unsuitable material, and tended to use vacuum rather than pressure to work, as this kept the cylinders in compression, which was safer. They were consequently immensely inefficient, making a horse much more practical unless you happen to have lots of coal lying around.

Without any of the modern suppliers that we are all used to, it will be surprisingly hard to do much better than the Romans themselves did.

[-]gwern140

On IRC, papermachine mentioned incredulity that horse collars took so long to be invented - a millennia or two to not choke your horses? I commented this had always struck me as pretty bizarre too, and I had long wondered whether there was some unmentioned factor at play (suggesting that either wooden plows didn't put enough weight to choke horses or that the choking only happened after horses were substantially enlarged after centuries of breeding).

He went looking on Wikipedia and indeed found subleties not usually mentioned:

While Lefebvre's experiments clearly demonstrated that the throat and girth design he used rode up on horses and cut off their air, images from ancient art and partial yokes found by archaeologists suggested that with proper placement and the addition of a stiff partial yoke, the breastcollar remained on the chest, and wind was not in fact cut off while pulling.[30][31] Further studies conducted in 1977 by Spruytte and Littauer, followed up by Georges Raepsaet, with more accurately reconstructed ancient designs suggested that horses with ancient harness designs could pull nearly as much as with the more modern horse collar.[32] The primary benefit to the use of the modern horse collar, it is argued, was that it allowed a lower point of attachment and in doing so the increased usability of horses for ploughing.[33]

8Nile
This is wrong, but less wrong than I thought: " Steam engines, for example, weren't invented until the 1700's because metals were so bad at the time that pressure vessels were impossible to make safe " Not quite: the development of high-pressure engines was delayed, but the initial deployment if low pressure engines was an immediate success. The first steam engines were, of course, atmospheric engines: fill a large piston with low-pressure steam, squirt cold water, and - whoosh! - the steam condenses to water and a pretty good vacuum, leaving the piston to be forced in by atmospheric pressure. Inefficient? Actually, no. Heavy, yes: this is a building with an engine in it, not a locomotive; and slow. But good for pumping and acceptably efficient at it; beam engines remained in use as municipal pumping stations well into the twentieth century. They were two or more orders of magnitude more efficient than a horse, given access to tons (but not tens of tons) per day of coal. You simply could not link up enough capstans and horses to do what an early beam engine did. Crucially for our purposes, a working beam engine can be constructed by blacksmiths and coopers, with a little bit of skilled brasswork and solder for the valves. This is feasible and affordable, in Rome, with our limited start-up capital. What we need next is a profitable application, and we can copy de Savary's business model as well as his first crude invention: drain a once-lucrative mine that's failing due to flooding. The Romans had mines - huge ones for copper, in North Wales - and probaby silver elsewhere. If they had mines, they had flooding. The question is whether we can travel back in time with a well-memorised geological map that shows the proximity of such an opportunity to any small (or large) coal measure. So we might have an opportunity to make a lot of money from an abandoned and unprofitable enterprise that the owner will be delighted to sell or rent to us. Note, also, that we'r
4Nile
It's bad form to reply to my own post, but a strong cup of tea has invigorated me with some ideas that follow on from building the first working beam engine. I'm introducing a second invention, halfway through, because you need something to pump industrial quantities of capital as well as water. Firstly, you probably won't have the cashflow to purchase another mine and build another engine for at least a decade. Not unless you're mining silver, or there's a severe economic supply contraint on copper, tin, or whatever you're extracting, permitting you to make extraordinary profits. You will have the cashflow to improve - and probably replace - your engine, your workshop, and your craftsmmen in two or three years. You now have a business model. No, TWO business models. Firstly, municipal water supply already exists in the Roman Empire: there's an existing demand for big beam-engine pumps, and you can demonstrate a profitable and reliable working model. Your craftsmen might defect and start up a rival business - if they can get capital (which they can't) or interest a Patrician - but you can let them go, secure in the knowledge that they can only ever copy what you've already done. They cannot compete with your next technological improvement, or the one after: your emerging commercial rivals are no better than the industrial pioneers and inventors who took decades to develop things that you know completely, a century ahead of their best possible learning-curve. Your second business model is that you know where the all good ore lodes are, and how to get at them - flooded or not. Even if you don't, mine-owners with a flooding problem are going to tell you where the few known ones are... ...But developing those resources still needs far more capital than you possess; and your objective is to become Emperor, not just a provider of steam pumps to grand patricians with an ore lode, and Proconsuls with a municipal supply problem. No, you need a second invention: the
3see
Before you're wealthy enough to actually have a significant political power base, it's going to be obvious you're getting wealthy. At that point you're going to need political patronage to avoid having, say, joint-stock companies outlawed. If the means by which you're gaining wealth are not seen as legitimate, you won't be allowed to accumulate enough to do you any good—and in a society with no ideology of economic liberty, any new means of accumulating wealth undertaken by anybody who isn't already on top is almost automatically seen as illegitimate by the people who are already on top.
6Nile
Partially correct, and partially wrong. The great patricians and senators will try to keep down a plebeian, but this is equally true of a fellow-patrician emerging as a dominant power. But people could and did succeed in Rome: your point is an objection, not an insoluble problem. I would point out that not getting assassinated - or coming up against a power bloc that can stop you - is a problem with all 'Become Emperor of Rome' scenarios: and it was solved by all emperors. It boils down to politics. A strong point of the Joint-Stock plan is that you make a lot of people wealthy: a broad power base is a strong power base. Consider this: many ancient and noble Patrician families are in a state best described as 'genteel poverty'. Give them enough of a share to regain a place in public life - but about the same, or slightly less, than the share you sell to merchants, so that these aristocrats cannot dominate the power base and - and you've got a very powerful influence in the senate. The other place to secure influence is the Army. Families of successful (or influential) generals and mid-level commanders must get a share. At least one Legion, within reach of Rome, should start receiving mass-produced high-quality equipment ....Or mass-produced equipment as good as the standard issue, but at factory prices - much to the profit of the commanders and the procurator. (This is legal in Rome: cost-effective supply was properly incentivised). "The Joachimsthaler Legion stands with Rationus' is a declaration that will put a stop to any drastic setback. Incidentally, I wouldn't even start on trying to get the Praetorian Guard 'onside' - too obvious, certain to alarm the Emperor, and fatal. Improving the water supply, temple donations, and economic mobility: that's a good route to popular support - and the 'Vox populi' was a matter of importance in Rome. Not that it was a democracy by that time, but the ruling classes took great care (and great expense) to maintain popul
1Eugine_Nier
You might have infeential distance problems explaining that one.
2see
Depends on the technology. Sure, for steam engines you need good metallurgy, but it turns out that good metallurgy needs relatively little in the way of technology as opposed to knowledge of chemistry and minerals. With the knowledge of chemistry available in 2012, it's very, very easy to move Rome forward to late 190th-century steel metallurgy. Bessermer converters and open hearth furnaces are reasonably within the capabilities of Roman brick technology to build; they just didn't know enough about the chemistry of steel to know what they should be making.

I think that in general, the thread is underestimating the importance of tribal politics. In particular, you're not going to be appointed emperor unless you can make a compelling case that you're a Roman citizen (a bastard, presumably, since there aren't any records). If you're too black or too blonde or too female to pull that off, you're going to have to win by conquest (see below) or play power-behind-the-throne.

Assuming you have the right looks, I think you want to slow-play it: build up a fortune in business, get adopted by one of the elite families (not the Julians!), marry into another of the elite families (still not the Julians), and transition into a career of able public service. A generalship would be ideal, if you can swing it. At that point I see two options:

  • You can set yourself up as Tiberius' successor, aiming to fill the void left by Sejanus' fall. Getting Tiberius' favor will be tricky, but at this point you should have immense personal wealth and 30 years of accomplishments to draw on. This is why you don't marry one of the Julias - they mostly died in the purge.
  • Hold out even longer, and help restore the republic in the aftermath of the whole Caligula th
... (read more)
6NancyLebovitz
Physical appearance isn't the whole story-- cultures change, and I'm not sure how hard it would be for a modern person, even with the appropriate appearance, to be accepted solidly as an insider.
0fezziwig
A very cogent point, and one I took too lightly. I do see two causes for hope: 1. You have Mad Oratory Skills, and so have some scope to set fashions of behavior. 2. News travels slowly, so you can field-test your approach in small communities before the big show. It might be smart to start in another country, so that none of your eventual targets see you make your newbie mistakes. It's not as good as being born in Egypt/Judea/wherever, but as you point out that's really hard to fake.
2Slackson
I think the cultural differences are one reason that people might choose the Prophet path. Prophets are supposed to be weird anyway.

A fun thought experiment but I think many are over thinking it. Penicillin alone should be enough to make you the richest person in rome with much influence. From there you'll have quite a few options that don't bear premature optimization for.

2NancyLebovitz
How hard is it to mass produce penicillin?

who said anything about healing the plebs?

-1NancyLebovitz
Keeping them healthy gives you a larger potential power base.
0RomeoStevens
unless Rome itself is insecure during the time I'm there I don't care. Seeking populist support doesn't seem useful until I have skin in the game politically.
6CronoDAS
Very hard.

modern humans don't have much greater raw intelligence than the Romans,

The Flynn Effect might make this statement false.

The diseases I carry but have immunity to might soon leave me as the only living person in the Empire. Ignoring this:

Demonstrate my knowledge of mathematics to win fame. Demonstrate my superior medical skills to become the Emperor's personal doctor. Further prove my value to the emperor by pointing out locations of underground gold and silver that can be mined. Get the emperor hooked on the most addictive drug I know of. Go on a v... (read more)

A friend of mine says that most of the emperors and generals were already addicted to some pretty serious drugs.

4Douglas_Knight
Could you get a more specific claim? A cursory search suggests that opium was available and Marcus Aurelius was addicted, but not that addiction was common.
3khafra
Whoah. Seriously? That throws his legendarily insightful writings on Stoicism into an entirely different light.
6gwern
Opium was available, but only as a poppy juice or tea used routinely in Roman medicine with little reports of addiction. The same thing happens in Chinese medicine - it's introduced around the 900s as a new useful medicine from the Silk Road which is especially useful for settling one's stomach & aiding digestion and only later as time passed did methods change, did the bulbs get scratched to extract the sap which could be eaten and eventually smoked, leading to its final apotheosis when it is chemically processed into heroin and an injectable fine white powder (discussed in McCoy's The Politics of Heroin). The theory that Aurelius was addicted stems from his doctor Galen's well-recorded constant administration of various potions some of which included poppy juice, Aurelius's recommendation of poppy-using recipes in his Meditations, and general argument based on his Stoic detachment and perspective (McLynn's Marcus Aurelius: A Life). To state he was addicted with no qualification is to overstate the case - we're talking probabilities greater than 5% but probably less than 50-60%, my own belief is.
8Bugmaster
That's just a recipe for getting ganked by someone who a). wants to have your kind of influence, and b). mistakenly believes that he could replace you by acquiring your drug supply and/or reverse-engineering your formula.

You know all human knowledge as of 2012.

My existence obviously invalidates some of my knowledge of how the history of Rome played out, but the broad political strokes remain similar. After fifteen years of backing the winning side in nearly every conflict I should have a phenomenal powerbase; a coup is almost a formality at this point.

After backing the winning side once or twice, things change, and your knowledge of specific details of history will become less and less valuable.

1shokwave
I plan on displacing some other backer so that the total support is roughly the same, such that the events proceed as similarly as possible. Once the disjunct becomes too big, I have to actually think to pick the winning side, but that's not that much harder.
6orthonormal
The butterfly effect is going to screw you over long before 15 years have passed, in many ways, but even directly via the weather: how many naval battles could have turned out differently if the weather changed?
4NancyLebovitz
Land battles, too. Before modern communications, the direction of the wind had a large effect on how fast and far orders could be heard.
4atorm
How much did you do to back them? Are you just a boot-licker, or have you been contributing in some way as to draw support away from the historical winner and to yourself?
1drethelin
Agreed. Political power is much less interesting than building an army but I think it's a much safer path to ruling rome than trying to take over either through rome's military or through your own. You can use your patrician wealth and knowledge of the future to jumpstart a fortune that can dwarf any other roman's and become the foremost citizen in rome, and from there it's not a long path to being emperor.
5gwern
You actually don't even need knowledge - you just need a low discount rate. I read a little bit about Roman banking once, and they were charging 10+% interest in periods of essentially no inflation, with apparently fairly low bad loan rate. And as I pointed out on XiXiDu's post, knowledge of black powder alone is valuable and very feasible in an Italian setting. Even if we generously assumed that our omnicompetent individual couldn't develop gunpowder suitable for small arms (or the metallurgy necessary), crude gunpowder is fantastic for siege warfare, which the Romans engaged in plenty of and had well developed and expensive siege weapons. Sell it to the military and profit.

Augustus would quickly capture you if you produced black powder. Tiberius would torture you for the formula and then kill you and nearly everyone who he suspected you might have given the formula to.

See:

In the reign of the emperor Tiberius (14-37 AD) a Roman glassmaker demonstrated a remarkable new glass at the imperial court. Unlike ordinary glass, it did not break: it must have seemed almost supernatural. The event was recorded by contemporary writers Pliny and Petronius. They called his glass vitrum flexile (flexible glass). The craftsman displayed a beautiful transparent vase to the emperor and then dashed it to the ground. According to the story, it dented but did not break. Tiberius asked if the glassmaker had told the secret of unbreakable glass to anyone else. When the answer was in the negative, the emperor had the unknown genius put to death and his workshop destroyed fearing that the new material would reduce the value of his imperial gold and silver.

8gwern
Yes, that's a cool story, but it's not like innovation stopped in the Roman empire.
3Alex_Altair
Is this story considered likely true? Did he invent plastic?
6Tyrrell_McAllister
Apparently, Pliny himself was skeptical.
0James_Miller
I'm not sure.

If you like, play with these additional constraints:

1) Your goal is to be maximally calamitous from the perspective of first century humanity's CEV.

2) You can't kill people with disease.

4DanielLC
How does that matter? No matter what my goal is, I'd start by taking over the world.
4Oligopsony
It's mostly a challenge to the analogy (with a willingness to be surprised by the creativity of suggestions to the contrary.) UFAI is scary not just because it can easily attain power but because the sort of power it could obtain would allow it to pursue its goals unilaterally; emperors, meanwhile, get their power from the consent of the governed (for values of "consent" that include compliance with coercion.) History is basically one unfriendly emperor (or social institution more broadly) after another, but this has posed existential risk only recently.
0DanielLC
If I can build infrastructure faster than people can reproduce, which should be easy once technology advances far enough, I just have to eventually have enough automation that I can take everyone out. Or I can just ignore the humans until I've mined most of the solar system, and then take them out.

L. Sprague de Camp wrote Lest Darkness Fall, in which a historian took over Rome a few centuries after this. Taking over wasn't his main priority, but rather ensuring that the dark ages got skipped. I'm not going to ROT13 the spoilers because similar ideas are going to be presented here.

Basic strategy was, 'invent' distilled liquor and base 10 arithmetic to gather capital. Use this to produce the printing press and the semaphore. By this point, he was influential, and used his foreknowledge of history to prevent a royal assassination and gain favor with th... (read more)

2djcb
Ah, that sounds like an interesting book -- would you recommend it?
7NancyLebovitz
I'll give it a moderate recommendation-- it's been at least twenty years since I've read it, and I don't know how it would look to me now. However, I've read it several times, and enjoyed it as a light-hearted and moderately realistic (not everything Padway tries succeeds) account of rationality winning. One other reason to read it if you haven't read golden age sf-- it moves. It's quite a short novel, and compared to modern sf, it's astonishing how much story can be well told in how few words.
0djcb
Thanks -- any other alternative-history involving classic times you would recommend?
1NancyLebovitz
I'm exceedingly fond of Richard Garfinkle's Celestial Matters about an AH where the Greek theory of elements is true. Greece has become a superpower (the background is still pretty classical, but I think it's set five or six centuries later) in opposition to China, because feng shui is also true. Unfortunately, the feng shui isn't worked out as well as the elements, but who can argue with an expedition to the sun to get some primal fire? Not quite AH, but David Drake's Birds of Prey is fun. It's a noirish story about the last honest man is corrupt Rome. It's kitchen sink science fiction, full of good things. To list them would be spoilers, so I'll rot13. Gurer'f n cyrfvbfnhe va gur Gvore, n fvqr rssrpg bs gur gvzr geniry sebz gur sne shgher jub'f pbzr gb Ebzr gb fgbc na nyvra zranpr.
3Luke_A_Somers
Yes. It's not perfect, but good.
0djcb
Thanks -- perfection is too much to ask for anyways.. I really like the description of injecting some 'simple' concepts like base-10 arithmetic are so important - I can see really see changing such a 'simple thing' changing many, many things. Just think about multiplying XCV by MCII...
0TobyBartels
A predecessor was A Connecticut Yankee in King Arthur's Court, whose influences (past and future) are currently detailed on Wikipedia. [Edit: typo, actualy mouso.]

You are intellectually near-perfect.

You could also throw in the Eidetic Memory and Human Calculator perks, in order to simulate an AI with a little more fidelity.

For extra credit, toss out knowledge of specific future events that some solutions are relying on!

2Viliam_Bur
That should not be "extra credit" but a necessary condition for acceping the solution. By coming to the past and doing something, events change. Butterfly effect et cetera. History is influenced by what people do, and people are influenced by thousand random events every day. Knowledge of the original future would only be useful to guess the existing tensions in the year 1 AD, but not for predicting which day someone will decide to attack someone, not even whether they will really attack them.
2Dr_Manhattan
Some events (volcanoes, large social phenomena etc) would not be ruled out by butterfly effect, so they're not strictly cheating.
2Viliam_Bur
Vulcanoes, sun eclipses, et cetera are fair game. Large social phenomena could come a few days / years / months sooner or later, they could have different leaders, different victims, somewhat different endings, etc. (It may be good to bet on possibility of slave rebellion in -70s, but becoming friends with Spartacus may be useless.)

What is the most recent time period in which one could be transported to (with full 2012 knowledge), and still have a high chance of taking over the world, or at least a powerful country or nation-state?

I think that given all the powers that are provided, you could take over the world now. Admittedly, most of that power is provided by the immunity to akrasia.

2Eugine_Nier
I'm not convinced this is a simple cutoff. In particular it seems like it would be easier to take over the world during time periods when there exist large empires that have done some of the work for you.

Technology is one part of the victory. The other part is working with people, because you can't take over the world alone (unless you are able to build an invincible battle robot, but first you need to get there). You need strategic skills, business skills, psychology skills, and cult-leadership skills, because you essentially face two types of risks -- one is the risk that your technological and military strategy fails (just like when you would lose in a strategic computer game), other is the risk that generally everything will go successully, until in so... (read more)

I would die of smallpox.

:(

4CronoDAS
You could probably find yourself some cowpox virus to inoculate yourself with.
3beriukay
That was one addendum I was going to suggest. Perhaps we can add a stipulation about getting a vaccine that hypothetically protects you from the worst of biological fates. After all, what good is a massive knowledge and no tools if we die before we can even find/make some basic anti-biologicals.
6Turgurth
One possible alternative would be choosing to appear in the Americas.

Fun! I'll post a serious answer when I've more time; for now, some off-the-top observations:

  • 1 AD is in the middle of Augustus' reign; the empire is in decent shape financially and is pretty religiously and culturally diverse.
    • So the hardest part of the God gambit is in getting people to pay attention.
  • Roman politics included assassination, at all levels; extended engagement with Roman political life requires some safety measures, no matter how valuable you've made yourself.
  • The German barbarians hadn't yet recovered from their losses in the previous c
... (read more)

Arrive somewhere with good horses and poor leadership on the edge of the Roman Empire, implement Mongolian horsemanship/mobility/unit-tactics, most of which should be possible with the current day's technology in a horsemanship culture -

http://en.wikipedia.org/wiki/Mongol_military_tactics_and_organization

Consolidate/build up for a couple decades, then lead an invasion against Rome sometime during one of the low points of Tiberius's reign (between AD 14 to and AD 37) -

http://en.wikipedia.org/wiki/Tiberius#As_Emperor

Much of Rome's military strength came from it being much better organized then its neighbors and its army having better discipline and courage than its competitors. Your plan wouldn't counter these key advantages.

Plus, even with superior military tech you almost certainly would not be able to convince even a few barbarians to accept your leadership or probably even advice.

[-]gwern100

Arrive somewhere with good horses and poor leadership on the edge of the Roman Empire, implement Mongolian horsemanship/mobility/unit-tactics, most of which should be possible with the current day's technology in a horsemanship culture -

Is that true? Edward Luttwak in his book on Byzantine strategy remarks that the Mongol's reflex bows were very complex to make and hard to master - the Byzantine cataphracts had to constantly train just to keep their horse archery up to snuff.

It's not an identical scenario, but the obvious book on the topic: http://en.wikipedia.org/wiki/Lest_Darkness_Fall

7[anonymous]
The original reference that started this descent into fictional evidence was Rome Sweet Rome.

If you are getting into a military conflict, the introduction of stirrups would give your cavalry forces a serious edge. I think the most difficult part of this problem is getting an initial powerbase though, once you have that you can implement all of your future tech ideas and go crazy on Rome, but before that you're just a sitting duck.

I'm fairly certain that knowledge of modern engineering, medicine, weaponry, etc, would make it trivial to defeat the Romans, provided you had enough to people helping you. The hard part is figuring out how to gain control of people and I think there's very little we know now that would help. Probably the best bet would be to arrive somewhere there's relatively easy access to gold (provided this doesn't violate your first rule) and simply pay for workers and mercenaries. As it became obvious that you know what you're doing, I think they'd become more liable to follow you too. But even then I think the odds are not great that you could get enough people involved.

General notes, before I actually propose a solution:

  • A lot of proposals so far involve things like "use my education and predictive talents to achieve a high position in society". Given how quickly smart people with amazing predictive talents walk into the White House today, combined with the political talents of LWers, I doubt that has any hope of working.
  • A lot of proposals involve introducing technologies like mills, cannon, etc which would be massive capital outlays by the standards of the time. You'd need to already have an empire's
... (read more)

Pretty much such a de facto takeover of Egypt (relying on an equivalent of knowledge of the future) is portrayed in the biblical story of Joseph. But it required some improbable events, so no cigar.

Hint: those fkd up Roman numerals. There are many paths from there...

I'd appear somewhere that doesn't make a big deal about citizenship, and start a business. I'd find something that doesn't require too much technological capital, like building a printing press, or producing steel. I would take care to have good PR. As I get more money, I'd spend large amounts on R&D to build technology I don't remember or completely understand. After I get a large enough industrial empire, I would sponsor a revolution in some country, and become their leader. Thanks to my advanced technology, it would quickly become a powerful country... (read more)

I know plenty of smart people, and I'm intelligent as well. I'd like to believe I'd gain power by cult-godhood, seduction, etc, but I can't see my smart friends succeeding at a high rate in my mental model of how they would behave. That makes me reluctant to believe that I would have any better chance. Some of the comments sound cocky, and require much too many things to go right. If we were properly pessimistic...

That being said, a 21st century timetraveler has a significantly greater chance of winning than an average Roman, just not a good one.

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The large number of responses to this post provides a bit of support to the simulation hypothesis.

1Kevin
How does this follow?
2James_Miller
The simulation hypothesis comes in part from believing that some people in the future will want to run "like life" historical reenactments.
1LucasSloan
Maybe, but I don't think that it provides much evidence for us living in a simulation. Our history doesn't include stories of weird messianic figures showing up from nowhere suddenly increasing human knowledge by a lot while simultaneously gathering lots of political power.

Some of these plans have made me a little suspicious about Rasputin, who showed up out of nowhere with mysterious medical abilities and used them to take over a great empire.

Assuming my diseases don't automatically kill everyone I come in contact with:

  1. Find someone who is sick with a disease, preferably viral, that I have immunity to, most likely through vaccination. Harvest the infectious agent from them, culture it, and store it as a potential weapon.
  2. Invent banking and insurance. Use the diseases developed in 1. to kill or disable anyone who threatens my monopoly. Because Romans lack knowledge of virology, molecular pathology, et al. (see what I did there?) I could do this and remain fairly undetected.
  3. Look up the most val
... (read more)
7Eugine_Nier
Their folk beliefs about diseases (diseases are caused by evil spirits that can spread from person to person) are close enough to the truth that his probably wouldn't work. Also they believe in witchcraft and would notice if all your enemies suddenly started getting sick.
1gwern
As far as #4 goes, there are plenty of classic simple experiments - Pasteur's disproof of spontaneous generation and the demonstration of oxygen/carbon dioxide (mice and plants in bell jars) come to mind.

How would you take over Rome?

Sounds dangerous. Having extreme levels of power seems to be a good way to get myself killed. Pretty soon I'd find myself telling my best mates "Et tu Justin" and suchlike!

1DanielLC
Unfortunately, extreme levels of power are necessary to get things done. If you're afraid of being assassinated, find a way to prevent it without giving up the power.
5wedrifid
Choose a more versatile form of power. Militaristic political control is absolutely necessary if your task is sweeping social change - and even then political climate asserts much more influence over what you must choose to do than your 'power' exerts on the environment. Money is a far more flexible and reliable form of power for the purpose of getting nearly everything you want to get done.
[+]Thomas-160
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