Who knew that magnetic fields could be so useful? Astronomers are able to use magnetic fields to map our environment within ...

If these metals have not been turned into a permanent magnet they will still be attracted to a magnet if placed within a magnetic field. In this situation they act as a magnet - but only whilst in ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

This pioneering technology marks the world's first achievement in this field. The findings are ... However, conventional permanent magnet manufacturing processes have been heavily dependent ...

Scientists have long puzzled over why Mars, once protected by a global magnetic field like Earth, now shows only a magnetic ...

A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

The Permanent ... permanent magnet market. Neodymium-Iron-Boron (NdFeB) magnets are a critical component in high-performance electric motors and wind turbines due to their superior magnetic ...

As [The Thought Emporium] explains in more eloquent detail, a magnet under the skin allows the implantee to gain a permanent sense of strong magnetic fields. Implantation in a fingertip is most ...

Superconductors aside, these devices are pretty much all operating in the same way; an object with a permanent ... magnet can not only be levitated, but locked in place using a rotating magnetic ...