martedì 2 Marzo 2010 - 20 Commenti
Numeri random a buon mercato

Leggendo un articolo su slashdot ultimamente mi sono imbattutto in questa notizia:
The German team has now developed a true random number generator that uses an extra layer of randomness by making a computer memory element, a flip-flop, twitch randomly between its two states 1 or 0. Immediately prior to the switch, the flip-flop is in a ‘metastable state’ where its behavior cannot be predicted. At the end of the metastable state, the contents of the memory are purely random. The researchers’ experiments with an array of flip-flop units show that …