From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,6609c40f81b32989 X-Google-NewGroupId: yes X-Google-Thread: 1094ba,9bdec20bcc7f3687 X-Google-NewGroupId: yes X-Google-Thread: 101deb,e67cdb1dcad3c668 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,gid8d3408f8c3,gidbda4de328f,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!weretis.net!feeder3.news.weretis.net!eternal-september.org!news.eternal-september.org!pfeed09.wxs.nl!newsfeed.kpn.net!pfeed14.wxs.nl!pfeed15.wxs.nl!not-for-mail Date: Sat, 24 Apr 2010 01:25:26 +0200 From: Sjouke Burry User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 Newsgroups: comp.lang.ada,comp.lang.fortran,comp.lang.pl1 Subject: Re: Why is Ada considered "too specialized" for scientific use References: <4bb9c72c$0$6990$9b4e6d93@newsspool4.arcor-online.net> <4bba8bf1$0$56418$c30e37c6@exi-reader.telstra.net> <4bbb2246$8$fuzhry+tra$mr2ice@news.patriot.net> <4bbb5386$0$56422$c30e37c6@exi-reader.telstra.net> <4bbdf5c6$1$fuzhry+tra$mr2ice@news.patriot.net> <4bc5a413$0$78577$c30e37c6@exi-reader.telstra.net> <4bc6e42f$2$fuzhry+tra$mr2ice@news.patriot.net> <4bd19a2b$0$895$c30e37c6@exi-reader.telstra.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 100423-1, 04/23/2010), Outbound message X-Antivirus-Status: Clean Message-ID: <4bd22c67$0$14121$703f8584@textnews.kpn.nl> NNTP-Posting-Host: 77.167.140.224 X-Trace: 1272065127 textnews.kpn.nl 14121 77.167.140.224:42752 X-Complaints-To: abuse@direct-adsl.nl Xref: g2news2.google.com comp.lang.ada:11149 comp.lang.fortran:24970 comp.lang.pl1:1284 Date: 2010-04-24T01:25:26+02:00 List-Id: Peter Flass wrote: > J. Clarke wrote: >>> 4. Random number generation. >> How were random numbers generated before computers? Did they not have >> viable algorithms for the purpose? > > I think the "Chem Rubber Bible" has a table of random numbers you can > use; just pick a spot to start. OTOH, that begs the question of how > they were generated in the first place. I have visions of a roomful of > people flipping coins. Just take any bad quality resistor, zenerdiode, or a number of other electronic components, amplify the noise, and use it with a bit of hardware to produce an endless stream of random numbers. No computers needed.