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Kedas

Spooky wave interference

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if electromagnetic radiation started flowing in reverse, back toward its source, it could cause serious confusion. But this is just what Cesar Monzon, a Senior Scientist at Enig Associates, Inc., in Silver Spring, Maryland, has discovered. In a recent study, he theoretically demonstrates that, under special conditions of geometry, location, and frequency, power may flow backwards in the direction of its source. The study is published in a recent issue of Physical Review Letters.

http://www.physorg.com/news141394051.html

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I'll have to read the article; I wonder if the net flow of energy is still outward and this is a localized effect.

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Standing waves were mentioned in the comments and it got me wondering what properties standing EM waves would have?

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Standing waves were mentioned in the comments and it got me wondering what properties standing EM waves would have?

 

Not that different from moving ones; you get them all the time in resonant cavities, e.g. some types of lasers

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