F OR SOLDIERS at the front, electromagnetic defences are as vital as air: invisible when present, and disastrous when not. In ...

There are seven types of electromagnetic (EM) waves, which make up the electromagnetic spectrum. Electromagnetic waves are transverse waves, and travel at the speed of light. Different types of ...

There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.

But did you know that there's more to light than meets the eye? Let’s explore the amazing world of the electromagnetic spectrum! The electromagnetic spectrum has many types of light waves. It includes ...

The US Army is taking lessons from the war in Ukraine, where the battlefield has often been described as transparent. There's ...