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From: merrill@rex.DEC
Newsgroups: net.physics
Subject: Light experiment #17, interferance
Message-ID: <47@decwrl.UUCP>
Date: Thu, 15-Nov-84 08:14:25 EST
Article-I.D.: decwrl.47
Posted: Thu Nov 15 08:14:25 1984
Date-Received: Sat, 17-Nov-84 03:09:10 EST
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Jeff,
	Seems to me that at the point of convergence where the e-m fields
BALANCE each other (they only "cancel" if you sum the values:-)) you
detector (e.g. photosensitive film) sees no NET e-m field and hence
registers nada.  Moments later [at the bat cave] the fields collapse and
the light continues on its merry way until completely absorbed or until
the two beams again diverge.

	One exception would occur if the beams converged in a black hole!

Rick