Several years ago I built a series of noise generators for a local gentleman who was developing a lottery prediction program (yes I know) and wanted random numbers for testing. He certainly could tell a good noise generator but I don't think he won the lottery. One true random number is the time of arrival of a radioactive particle or ray. Unfortunatly the recovery time (dead time) of most common detectors limits the rate of detection for this purpose (for radiation measurements they make corrections for this, the randomness helps). For reasonable granularityu you are limited to a few tens of counts per second. I'm also a radiation nut see http://tech.groups.yahoo.com/group/GeigerCounterEnthusiasts/ Robert G8RPI.
--- On Thu, 24/12/09, Brian Kirby <kilodelta4foxm...@gmail.com> wrote: From: Brian Kirby <kilodelta4foxm...@gmail.com> Subject: Re: [time-nuts] are any time-nuts also random-nuts? To: "Discussion of precise time and frequency measurement" <time-nuts@febo.com> Date: Thursday, 24 December, 2009, 7:01 I read an article one time about using a solar cell to generate random noise. Scott Burris wrote: > I saw this USB connected hourglass for producing random numbers: > > http://home.comcast.net/%7Ehourglass/ > > Anyone pursuing perfect randomness in the same way this group pursues > time and frequency? Maybe cryptologists. > > I'm tempted to build an ethernet connected variant of this. Then of course > we need a distribution mechanism. How about RNDP, the Random Number > Distribution Protocol? A la NTP, clients could select for the server with the > most randomness :-) > > Scott > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
