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 ...

Imagine, right now, as you read these words, you're immersed in an unseen ocean of energy. Waves are zipping through your body, bouncing off walls, and ...

Electromagnetic radiation is a form of energy that is produced by oscillating electric and magnetic disturbance, or by the movement of electrically charged particles traveling through a vacuum or ...

New research on the last, hidden part of the electromagnetic spectrum is producing new, safe and non-destructive tests for medicine, security and industrial quality control. New European research on ...

Over-the-air television and cellular streaming video are possible because of something you can’t see-electromagnetic radiation. Learn more about the waves that make video streaming and television ...

The electromagnetic spectrum is the range of frequencies covering the spectrum of radiation. It covers wavelengths from thousands of miles to a fraction of the size of an atomic nucleus. Bands of ...

The electromagnetic spectrum is the range of all possible electromagnetic radiation. Above infrared in frequency comes visible light. This is the range in which the sun and stars similar to it emit ...

One of the landmark discoveries of 19 th century physics was the realisation that electricity, magnetism and light are all connected. Experiments had already shown that the movement of electrical ...