The Kelly Criteron in Blackjack, Sports Betting and the Stock Market

I’ve been reviewing some papers and math regarding the use of the Kelly Criterion in gambling, and found this link to Ed Thorp’s paper on the subject. It’s in PDF format, but looks very interesting.

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Optical mouse based scanner

Courtesy of hack-a-day, a student did something which I thought was rather clever, he disassembled an optical mouse, and hooked the tiny image sensor (18×18 pixels) directly to the parallel port of his computer, and wrote a program to read out the results. I can’t immediately think of what use this would be, but I think it’s a neat thing anyway.