You can change the radio station you're listening to with the flick of a dial. But imagine if your radio let you tune into any frequency you want, no matter how high. You wouldn't be stuck with the ...

Electromagnetic radiation is a form of energy that includes radio waves, microwaves, X-rays and gamma rays, as well as visible light. When you purchase through links on our site, we may earn an ...

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 ...