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To: 51773photo

No, since electromagnetic radiation propagates in a vacuum.


23 posted on 07/09/2009 7:17:38 AM PDT by dadgum (OverjoyedTo Be A Pariah)
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To: dadgum

But has been known, on occasion, to travel through gases as well.


24 posted on 07/09/2009 7:21:50 AM PDT by 51773photo
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