Path: csiph.com!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Keith Thompson Newsgroups: comp.lang.c Subject: Re: Fake randomness is still random? Date: Mon, 12 Dec 2016 13:33:20 -0800 Organization: None to speak of Lines: 22 Message-ID: References: <582c1c2b-16cc-479c-8662-9e9b452c84b0@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: mx02.eternal-september.org; posting-host="5ae493c5c0eddd0692ad00c7942bf15f"; logging-data="16089"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX186kgW9wlBzvAT2hdwE6mkp" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) Cancel-Lock: sha1:QFmAG5kzyPR0M5baRbmPEAITSt0= sha1:iV2pc9wPg/bNaj3g0lQqyCQYgR8= Xref: csiph.com comp.lang.c:99138 "Osmium" writes: [...] > I wasn't proposing an implementation, I was using it as a device that many > people could relate to for illustrative purposes.. The snow is a > manifestation of the 4 K radiation resulting from the alleged "big bang". > Not to be contused with a TV show of the same name. One can get the same > result from a resistor at room temperature followed by an amplifier. One > can digitize the result and then apply von Neuman "whitening". Problem > solved. Not the best solution but *a* solution. (Closer to 3 Kelvins, not 4.) According to one source, radio noise from the cosmic background constitutes about 1% of the static you see on the screen when you tune an old-style US analog TV between channels. (Other regions use different frequencies, which may or may not make a difference.) -- Keith Thompson (The_Other_Keith) kst-u@mib.org Working, but not speaking, for JetHead Development, Inc. "We must do something. This is something. Therefore, we must do this." -- Antony Jay and Jonathan Lynn, "Yes Minister"