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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