Nitriding processes, such as gas nitriding by exposing heated steel to ammonia ... and look forward to powerful magnets made with nothing but rust and fertilizer.

The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see lots of different things made of steel, which has iron in it. Try the activity to see which ...

He really only needed one magnet, so he started to build a 20 x 20 x 100 mm one. It would be made out of alternating mild steel and brass plates. The steel plates would have a hole drilled through ...

MP Materials' Fort Worth plant is poised to produce about 1,000 metric tons of finished NdFeB magnets a year, with a gradual production ramp beginning in late 2025, the company said. The facility will ...

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 ...

Giant magnets suspend this plasma in mid-air — keeping it away from direct contact with the metal walls. The walls are also cooled to stop them from overheating. Nevertheless, no ordinary steel ...