[somenameforme]

Yeah this is probably the neatest little 5 second math thing I've ever seen. Can't believe I hadn't seen this before.

[soulofmischief]

John von Neumann strikes again!

Wikipedia: https://en.wikipedia.org/wiki/Fair_coin#Fair_results_from_a_...

Original paper: https://mcnp.lanl.gov/pdf_files/InBook_Computing_1961_Neuman...