Every now and then I like to review my old writings so I can cringe at all the wrong things I wrote, and say "oops" for each of them. Here we go...

There was once a time when the average human couldn't expect to live much past age thirty. (Jul 2012)

That's probably wrong. IIRC, previous eras' low life expectancy was mostly due to high child mortality.

We have not yet mentioned two small but significant developments leading us to agree with Schmidhuber (2012) that "progress toward self-improving AIs is already substantially beyond what man

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Huh. I followed the link to the correction of the Petrov story, and found I'd already upvoted it.

But if you'd asked me yesterday for examples of heroes yesterday, I'd have cited Petrov immediately. S

hows how hard it is to unlearn false information once you've learned it.

2Gunnar_Zarncke6ySmart move not only to review but post the results. Shows humbleness and at the same time prevents being called on it later. This is an approach I'd like to see more often. Maybe you should add it to the http://lesswrong.com/lw/h7d/grad_student_advice_repository/ [http://lesswrong.com/lw/h7d/grad_student_advice_repository/] or some such.
0private_messaging6yOn the AIXI and such... you see, its just hard to appreciate just how much training it takes to properly understand something like that. Very intelligent people, with very high mental endurance, train for decades, to be able to mentally manipulate the relevant concepts at their base level. Now, let's say someone only spent a small fraction of the time - either because they've pursued a wrong topic through the most critical years, or because they have low mental endurance. Unless they're impossibly intelligent, they have no chance of forming even a merely good understanding.

Open thread, January 25- February 1

by NancyLebovitz 1 min read25th Jan 2014318 comments


If it's worth saying, but not worth its own post (even in Discussion), then it goes here.