For the record, that technique was developed by Jon von Neumann. It's called a randomness extractor. Obligatory wikipedia link: http://en.wikipedia.org/wiki/Ra

For the record, that technique was developed by Jon von Neumann. It's called a randomness extractor. Obligatory wikipedia link: http://en.wikipedia.org/wiki/Randomness_extractor#Von_Neumann_extractor http://en.wikipedia.org/wiki/Randomness_extractor#Von_Neuman...