Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!vette!brooks
From: brooks@vette.llnl.gov (Eugene Brooks)
Newsgroups: comp.arch
Subject: Re: Cryo-refrigerators
Keywords: breakthroughs refrigerators
Message-ID: <21874@lll-winken.LLNL.GOV>
Date: 14 Mar 89 03:58:57 GMT
References: <4387@pt.cs.cmu.edu> <13288@steinmetz.ge.com> <4409@pt.cs.cmu.edu> <11020@pasteur.Berkeley.EDU>
Sender: usenet@lll-winken.LLNL.GOV
Reply-To: brooks@maddog.llnl.gov.UUCP (Eugene Brooks)
Organization: Lawrence Livermore National Laboratory
Lines: 15

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?
>
>Is an optical loop a viable storage medium?  Some benifits: n access points,
>< 1 second access to ALL the data....  Problems: reliability.
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.

Now you might ask, just what is a vacuum tube? :-)


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