Beakman explains how microwaves work by first explaining what electromagnetic energy is, that it travels in waves, and how to measure wavelength. He then using an animation clip to show how a microwave works to heat up water.
The crew is trying to rob the Bellagio in Las Vegas, and Basher informs them that the only way to pull off the job is to use a "pinch." He describes the "pinch": an electromagnetic pulse that shuts down any power source within its blast radius. He describes the "pinch" as a nuclear bomb without the destruction to make it more concrete.
A soldier patrolling the Great Wall witness an attack from the Hun army. In this example of smoke signals, one of the oldest forms of long-distance communication, he lights one of the beacon towers to warn the rest of China about an enemy invasion.
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.