i saw this at my university in a professor's office, and i can't find it online now....<BR><BR>it's a poster that shows a horizontal band, almost like a timeline, with the whole electromagnetic ...

There are lots of interactions and fields around us all the time that we can’t see. Like gravity. We can always count on gravity to be there when we trip and face plant. And we interact with all ...

Electromagnetic spectrum operations (EMSO) have rocketed to prominence across the U.S. military, complete with their own doctrine, billets and centers of excellence. Yet decades before EMSO was ...

The electromagnetic spectrum, or EM spectrum, is the name given to the collection of all electromagnetic radiation in the universe. This is a type of energy that pervades the cosmos in the form of ...