Some magnets can be turned on and off. There are two kinds of magnets: temporary and permanent. Find out the difference and why discovering how to turn a magnet on and off changed our world.

Magnetic couplings transmit high torque with no physical contact, and they disengage smoothly when load gets too high. Generally speaking, the couplings use magnetic power in three different ways; ...

Scientists have made a breakthrough in the search for a new, sustainable permanent magnet. Scientists have made a breakthrough in the search for a new, sustainable permanent magnet. Most permanent ...