and it may soon be possible to build permanent magnets as strong as neodymium magnets, but without any rare earth metals. In fact, the only thing needed to make them is iron and nitrogen ...

Before the discovery of the neodymium magnet ... but it lacked a sufficient coercivity — a measure of a magnet’s resistance to other strong magnetic fields,” explains Sagawa.

Rare earth magnets currently on the market contain neodymium and other rare earth elements, while Niron’s “Clean Earth Magnet” technology is the first and only powerful permanent magnet that ...

Put your rod away and search in outdoor waters for ferromagnetic objects available to pull with a strong neodymium magnet. Find rare and valuable items, restore them, and sell! Advertisement All ...

Magnet fisherman Lewis Bright ... first magnet kit and he picked up tips by watching other people online using strong neodymium magnets in the water - a hobby known as magnet fishing.

Neodymium magnets are very strong so you'll need an adult to help you. Image caption, STEP 1 - COIL WIRE: Put the spool of wire on a pen. Place this between your knees and unspool the wire while ...