They have a maximum rating of about N35 so they’re more costly and less functional than an N52 magnet. You could tell the difference just by sticking it to a piece of steel and pulling it away ...

First used in the 1930 ’s, Alnico is the oldest family of permanent magnets. With energy products ranging from 1.3 to 10.1 MGOe, Alnico can be produced in both cast and sintered forms. The most common ...

For such magnets designed to cope with temperatures up to 200C, a grade of N35 used to be the maximum. But now N52 grade versions are commercially available. "You can literally make the magnet 60% ...

The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges because they weigh less, have higher capacities and are not subject ...

For example, these Master Magnet discs from Home Depot measure just under half an inch, making them the perfect size for many ...

Magnet fishing - where people hunt for metal submerged in canals and rivers - is increasing in popularity, with thousands uploading videos of their finds on YouTube. But there are stark warnings ...

Magnets are pretty nice little tools. [EmGi] has used them in many a cool 3D printed build with great success. But getting them where you want can be really tricky. More often than not, you end up ...

Both conceptually and compositionally dense, their newest release matures the psychedelic duo’s one-of-a-kind sound as we hear them at their most grandiose and philosophical. This 15-track odyssey ...

Two researchers who independently developed the neodymium magnet — used in everything from hard disk drives to automobiles — have been awarded the 44th Honda Prize. In 1982, two researchers ...

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 ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...