Electromagnetism is one of the four fundamental forces of nature. Learn about the relationship between electricity and magnetism, the different wavelengths on the electromagnetic spectrum, and how an invisible force protects our entire planet.

This clip illustrates the modern-day uses of electricity and explains how electricity is generated. It also briefly explains static electricity.

Scott explains and demonstrates electromagnetism and electric force fields to Joyce.

On their journey to understand how cell phones work, the StoryBots talk to a microphone. She speaks about her role in the creation of a cell phone.

Beakman uses ping pong balls to simulate electrons. He rolls them down a pipe that gets narrower so they pile up (resistance). In a light bulb, the resistance causes the coil to heat up and make light.