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On Fri, 04 Jun 2004 09:55:56 -0700, Jim Kelley
wrote: Cecil Moore wrote: Good grief, Jim, ExB is proportional to the irradiance of a light beam. Good grief, Cecil, irradiance isn't a field and doesn't propagates either! Hi Jim, Nearly every posting that Cecil pens with his rustic understanding of Optics suffers from the obvious lack of experience. There is a certain amount of pretense in this irradiance (an archaic radiometric term used incorrectly for photometrics in an argument that calls for luminous flux), much like quoting I²R and not knowing what Ohms or Amperes are. He's lucky there are so very few that appreciate the gaffs of his unintended humor. 73's Richard Clark, KB7QHC |