Science Explorer. Electricity and Magnetism

Author: Padilla
Publisher:
Publish Date: 2003-02-01
Features: If you want to lift a car, what kind of hook do you need? A ship's anchor? Although an anchor looks like a giant fishing hook and can lift heavy objects, in reality, the cranes used in waste disposal sites to move old cars do not have hooks. They use electromagnets. Imagine riding a train that glides without touching the ground. You won't feel the vibrations from the tracks, nor hear the noise of the wheels colliding. As the train speeds toward its destination at 400 kilometers per hour, you can simply sit comfortably.