Key learning points Properties of magnets What are magnetic fields? Magnetic fields lines are invisible but they fill the space around a magnet where the magnetic forces work on magnetic materials, ...

Fleming’s Left Hand Rule can be used to determine the direction of the force, current or magnetic field. This force forms the basis of the electric motor. A current carrying conductor creates its own ...

Inductors are simple coils of wire that can control how electricity flows in a circuit. This video explains how inductors ...

Every so often—every 250,000 years on average—the Earth's magnetic poles reverse polarity. If such a reversal happened today, compass needles would point south rather than north. Here, view a computer ...

If you made a motor out of a magnet, a wire coil, and some needles, you probably remember that motors and generators depend on a rotating magnetic field. Once you know how it works, the concept is ...

The U.S. has historically led the world in science that applies high magnetic fields, but a lack of domestic investment and technical advancement has allowed competitors in China, Japan, and Europe to ...

WASHINGTON — A year from now, the U.S. Navy hopes to launch a pair of small satellites that are able to harvest electrons from space and use them and the Earth’s magnetic field as a propulsion system.

LONDON--(BUSINESS WIRE)--According to the latest market study released by Technavio, the global magnetic field sensors market is expected to reach USD 3.35 billion by 2021, growing at a steady CAGR of ...