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From: james@umcp-cs.UUCP
Newsgroups: net.physics
Subject: Re: M = E/C^2 ??? How??? - (nf)
Message-ID: <3375@umcp-cs.UUCP>
Date: Wed, 26-Oct-83 22:10:48 EDT
Article-I.D.: umcp-cs.3375
Posted: Wed Oct 26 22:10:48 1983
Date-Received: Fri, 28-Oct-83 02:31:22 EDT
References: <548@ucbcad.UUCP>
Organization: Univ. of Maryland, Computer Science Dept.
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I think that, impractically speaking, one procedure is to get an
extremely high frequency laser, shoot out a cosmic ray, and some
small percentage of these rays will spontaneously turn into an electron
and a positron.  To lower your expenses, make sure to collect the
other cosmic rays a short distance away, and feed them back into the
laser again.  I think some cosmic rays will turn into a pair of electrons,
but I'm less sure of this.

  --Jim O'Toole