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 ...

Scrap Master Magnets from the Walker brand at Industrial Magnetics (IMI) are engineered to excel in these challenging ...

The world's strongest permanent magnets made of neodymium measure around 1. ... the iron is best sourced from iron salts that are a byproduct of steel manufacturing, with nitrogen sourced from ...

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 ...

Invented by MIT-educated and previously-Apple-employed engineer Kelly McGee, the Yardsale ski poles are made primarily of 7-series aluminum with steel ice-crushing tips, but they have magnets in ...