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in there.  

Cherenkov radiation is fairly directional--lying entirely in the forward direction of the electron.  The diffuse glow that I was seeing implies the electrons were not directional--but moving in all directions.  

Scattering?  Shine a flashlight into clean water.  How much of the beam is scattered?  Some, but not much.  

So:  Wherever I see the glow there is an electron moving rapidly more or less toward me.  

The Fates are kind.

by Gaianne on Sat Mar 26th, 2011 at 05:54:31 PM EST
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