Since free will is about as easy as a philosophical problem in reductionism can get, while still appearing "impossible" to at least some philosophers, it might make a good training problem for aspiring reductionists. If you consider yourself one of those, consider just reading the free will problem page, and not reading the solution pages below until you've made a serious effort of your own.

Related Pages: Consciousness, Free Will, Philosophy, Reductionism.

Blog posts

(Items in italics can be skipped if in a rush.)

How An Algorithm Feels From Inside and Dissolving the Question - setting up the problem.
Hand vs. Fingers and Explaining vs. Explaining Away - elementary reductionism.
Timeless Causality
Thou Art Physics
Timeless Control
Possibility and Could-ness
Causality and Moral Responsibility
The Ultimate Source