Article View: comp.arch
Article #20384Re: Cryo-refrigerators
From: Bj|rn Lisper
Date: Mon, 20 Mar 1989 09:25
Date: Mon, 20 Mar 1989 09:25
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In article <21874@lll-winken.LLNL.GOV> brooks@vette.llnl.gov (Eugene Brooks) writes: %In article <11020@pasteur.Berkeley.EDU> muir@postgres.Berkeley.EDU (David %Muir Sharnoff) writes: %>Correct me if I'm wrong, but does this mean that you could store ~100GB %>in a 3000 mile fiber loop? %In very early vacuum tube based computers this type of storage used coaxial %cable and was called a "delay line." Of course, modern memory storage devices %have made this technique a bit obsolete. I've heard a story that in the early days of computing, it so happened that people used telephone lines as delay lines, as an inexpensive (relative to the memory technology of that time) storage medium. Is there anyone out there who knows more about this? Bjorn Lisper
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcvax!kth!draken!bjornl From: bjornl@octopus.tds.kth.se (Bj|rn Lisper) Newsgroups: comp.arch Subject: Re: Cryo-refrigerators Message-ID: <BJORNL.89Mar20102558@octopus.tds.kth.se> Date: 20 Mar 89 09:25:58 GMT References: <4387@pt.cs.cmu.edu> <13288@steinmetz.ge.com> <4409@pt.cs.cmu.edu> <11020@pasteur.Berkeley.EDU> <21874@lll-winken.LLNL.GOV> Sender: news@nada.kth.se Organization: The Royal Inst. of Technology (KTH), Stockholm, Sweden. Lines: 17 In-reply-to: brooks@vette.llnl.gov's message of 14 Mar 89 03:58:57 GMT