This is of course the permanent magnet you have all come across.

After the war, they used this technology to create a version of the 601 with a permanent magnet.

This was because strong permanent magnets were not readily available at the time.

These materials form what we refer to as "permanent magnets".

Soon after the release, they began working on a permanent magnet version of the speaker.

As the train passes, the permanent magnet sets the system.

Permanent magnets also require special care when they are being brought to their site of installation.

High performance permanent magnets, themselves, have structural and thermal issues.

The first such motors used a simple horseshoe permanent magnet.

It was used to make permanent magnets for use in small electric motors.

A "permanent magnet" is a piece of a special substance which makes a magnetic field around it.

Another proposed design uses an array of permanent magnets to create the field.

The ferrofluid is suspended in place by use of a permanent magnet.

Very small satellites may use permanent magnets instead of coils.

A perpendicular magnetic field is imposed by a permanent magnet.

The flux density of high performance permanent magnets is limited.

The magnetic field of permanent magnets can be quite complicated, especially near the magnet.

It used a permanent magnet which was rotated by a crank.

No such controls are needed by the permanent magnets that control the fluid seals.

What particle carries the force that is observed between to permanent magnets?

Their mission is to develop substitute materials for rare earth permanent magnets.

Weston developed a method for producing a "true" permanent magnet.

I would suggest that you take a strong permanent magnet to the jewelry store and test the wedding bands.

Pole pieces are used with both permanent magnets and electromagnets.

A small permanent magnet rotor is usually mounted at the top of the meter.