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From: jackg@tekirl.LABS.TEK.COM (Jack Gjovaag)
Newsgroups: sci.electronics
Subject: Re: wireless electricity
Message-ID: <5040@tekgvs.LABS.TEK.COM>
Date: 2 May 89 14:38:17 GMT
References: <gYJRpyy00WB-E57Uwj@andrew.cmu.edu> <913@snjsn1.SJ.ATE.SLB.COM> <17794@cup.portal.com>
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Reply-To: jackg@tekirl.LABS.TEK.COM (Jack Gjovaag)
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Organization: Tektronix, Inc., Beaverton,  OR.
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In article <17794@cup.portal.com> ISW@cup.portal.com (Isaac S Wingfield) writes:
>Greg Wageman writes:
>
>Hmm, I guess you must be too young to remember crystal radios?  These
>were radios that used a diode (originally, a germanium crystal and a
>                                             ^^^^^^^^^
>Nope. Iron pyrites (fool's gold).
>      ^^^^^^^^^^^^

Nope again.  Galena (a lead/sulpher compund)


  Jack Gjovaag
  Tek Labs