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Article #2768

Re: VERY LARGE main memories: crypt

#2768
From: bruce wong
Date: Sun, 07 Sep 1986 21:16
23 lines
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> 
> >As I think I've mentioned before, it is believed that there are
> >approximately 2^200 electrons in the universe.  Since it is unlikely that
> >anybody would want to reference more things than there are electrons in the
> >universe, 200 bits seems like a good upper bound for the length of a memory
> >address.
> >
> >Roy Smith, {allegra,philabs}!phri!roy
> 
> Yeah, but now think more like a physicist (I actually have little idea
> how to do that):
> 
> We need snapshots of those 2^200 electrons from the point of the big
> bang to the present in picoseconds. And then there are the "what-ifs"...
> Not to mention their x,y,z position and various qualities like energy
> level and spin...
> 
> You laugh? too bad, no?
> 
> 	-Barry Shein, Boston University

If there are only that many electrons in the whole universe, how
can you develop storage, using electrons, that is as large ?
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!caip!clyde!cbatt!ihnp4!ihwpt!bwong
References: <1178@bu-cs.bu-cs.BU.EDU>

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!caip!clyde!cbatt!ihnp4!ihwpt!bwong
From: bwong@ihwpt.UUCP (bruce wong)
Newsgroups: net.arch
Subject: Re: VERY LARGE main memories: crypt
Message-ID: <1087@ihwpt.UUCP>
Date: Sun, 7-Sep-86 17:16:25 EDT
Article-I.D.: ihwpt.1087
Posted: Sun Sep  7 17:16:25 1986
Date-Received: Sun, 7-Sep-86 22:58:53 EDT
References: <1178@bu-cs.bu-cs.BU.EDU>
Organization: AT&T Bell Laboratories
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