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Re: Sources of randomness

On Fri, 3 Nov 1995, Peter Monta wrote:

> I'm puzzled by the implication that thermal noise or avalanche or Zener
> noise is somehow inferior to noise from radioactive sources.  It's not.

How much do the appropriate Zener diodes (it *is* diodes we're talking 
about, right?) cost? Are these things widely available? (sorry I really don't
remember my electronics lessons)

How would you get your first two sources? (the thermal and avalanche)