Re: random number generator oddity -- MIDRANGE-L

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Your warning about site navigation - was that site put together by the IBM InfoCenter people?

Adam Glauser wrote:

ChadB@xxxxxxxxxxxxxxxxxxxx wrote:

I also remember reading somewhere about some online pages that offer seed
numbers generated by measing room noise by an open window near a busy
street or something random like that.

The classic example is to use radioactive decay, though this is probably not a good candidate for DIY.

There are quite a few creative ways people have come up with to build more accessible HWRNGs. Lava lamps(1) and electrical noise from a webcam in the dark(2) are some of the coolest that I've come across.

There is also a service(3) provided by a prof at Trinity College in Dublin which uses atmospheric noise. This also has some really interesting articles regarding the topic of randomness.

- Adam

(1) http://en.wikipedia.org/wiki/Lavarand
(2) http://www.lavarnd.org/what/can-details.html (beware, the site navigation is nothing but horrible IMHO)
(3) http://www.random.org/

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