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From: byron@gitpyr.UUCP
Newsgroups: comp.arch,comp.lsi
Subject: Re: Josephson Junction computers
Message-ID: <3324@gitpyr.gatech.EDU>
Date: Sun, 22-Mar-87 12:40:27 EST
Article-I.D.: gitpyr.3324
Posted: Sun Mar 22 12:40:27 1987
Date-Received: Mon, 23-Mar-87 07:19:01 EST
References: <8702240351.AA00239@angband.s1.gov> <7718@utzoo.UUCP> <978@epimass.UUCP> <644@sask.UUCP>
Reply-To: byron@gitpyr.UUCP (Byron A Jeff)
Organization: Georgia Institute of Technology
Lines: 31
Keywords: Josephson junction computer superconductor
Xref: utgpu comp.arch:638 comp.lsi:68

In article <644@sask.UUCP> reid@sask.UUCP (I am NOT your Sweet Baboo) writes:
>In article <978@epimass.UUCP>, jbuck@epimass.UUCP (Joe Buck) writes:
>
>Unfortunately, the newest superconductors are _not_ up to liquid nitrogen
>temperatures.  The best I've heard yet was 53 degrees kelvin, which is well
>below liquid nitrogen (~70 K, I can't remember exactly).
>
> - irving -

I've got an Atlanta Constitution article (3/20) that refutes that claim.
I quote:

   "   In February the key tempreture barrier fell when scientists in Houston
    and Huntsville reported the appearence of superconductivity in a new
    yttrium-based compound at tempretures only 283 degrees below zero 
    (since they didn't give a temp scale I assume it's F) nearly 40 degrees
    above the tempreture of liquid nitrogen."

They go on to say how liquid N can be cheaply manufactured (5 cents/quart)
and how the elements used in these compounds (yttrium, luteium, scandium,
barium, and calcium) can be cheaply had. Another quote

   "   A Los Alamos physicists say that anyone with the proper knowledge, $50
    of the right materials and a microwave oven could make their own."

A damn interesting concept.

-- 
                                                Byron Jeff
E-mail address: 
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