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You searched for "radio"
We found 12 results on physics.org and 42 results in our database of sites
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How do mobile phones work?
All about... SETI
6 Things you may not know about the afterglow of the big bang
Could your phone harm your health?
How do we know how far away the moon is?
How do no-fly zones work?
How does GPS work?
Nobel-prize winning accidents
Under Sunveillance
How does technology know where in the world we are?
How do 'invisibility cloaks' work?
How is physics used in archaeology?
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Showing 41 - 42 of 42
Showing 41 - 42 of 42
Carrier Wave
Radio transmission involves putting audio frequency information on a much higher frequency electromagnetic wave called a carrier wave.
Hits: 1520
Seyfert Galaxies
The key to classifying a galaxy as a Seyfert Galaxy is the presence of broad emission lines from the bright, star-like nucleus. They are often strong radio and infrared sources. The first such active ...
Hits: 1170
Showing 41 - 42 of 42