User contributions for Phb07jm

A user with 2 edits. Account created on 5 May 2009.
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12 April 2010

  • 19:4119:41, 12 April 2010 diff hist −2 Stimulated emissionedit end of last paragraph - laser is not a subroup of maser. L-asers ae light oscillators M-asers are microwave oscillators. If anything Masers are a subgroup of lasers

8 October 2009