Magnetism is a natural force, one that works at a distance. Magnets get their force from magnetic fields created by the atoms within the metal. Magnets are useful for things like turbines we use to ...

Discover the fascinating world of free energy with our science experiments focusing on the screw motor using magnets. Learn how to harness magnetic power to create motion, offering a practical ...

Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force found in a spring. And last are resistive forces: ...

For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to ...