very high speed hardware RNG
Ivan Krstić
krstic at solarsail.hcs.harvard.edu
Sun Jan 4 00:30:05 EST 2009
On Dec 30, 2008, at 5:11 PM, Jerry Leichter wrote:
> This is a highly chaotic process, and after a short time, you see a
> completely random-looking dispersion of dye through the liquid.
> Present this to someone and any likely test will say this is quite
> random. But ... if you slow turn the inner cylinder backwards -
> "slowly", for both directions of turn, depending on details of the
> system - the original line of dye miraculously reappears.
(Laminar flow: <http://www.youtube.com/watch?v=p08_KlTKP50>.)
--
Ivan Krstić <krstic at solarsail.hcs.harvard.edu> | http://radian.org
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