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 ...

There is more to light than meets the eye, and it teaches us a lot about the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Parts of ...

In its ongoing balancing act to apportion coveted access to the increasingly crowded electromagnetic spectrum, the Defense Department is aiming its attention at software-based solutions and management ...