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 ...

Neodymium alloy is made of Neodymium, Iron, and Boron. Neodymium rare-earth magnets are usually used in computer hard drives and a variety of audio speakers. Though neodymium rare-earth magnets are ...

such as small automobile motors and sensors and mobile-phone speakers. The neodymium magnet now accounts for 95% of permanent magnets used in generators for wind turbines, as well as most magnets ...

As a neat touch, neodymium magnets hold the lid closed. We gotta say, a custom speaker with LED visualization makes for a tidy little package — aside from the satisfaction that comes from ...

With the help of a powerful rare-earth alloy, magnet fishers pull garbage out of polluted waterways ...

WHAT YOU NEED: A music source with a speaker jack cable, insulated wire and wire cutters, sandpaper, crocodile clips, plastic cup, pen and pencil and a neodymium magnet. Neodymium magnets are very ...