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 ...

Luckily, there’s more than one way to make a magnet, and it may soon be possible to build permanent magnets as strong as neodymium magnets, but without any rare earth metals. In fact ...

The mid-bass speakers handle 400-watts max or 200-watts RMS of power, while the 1/2" silk dome tweeters with neodymium magnets handle 100-watts peak or 50-watts RMS. The passive crossover networks ...

Magnets have always been fun, particularly since the super-powerful neodymium type became readily available. You can stack them up, pull them apart, or, if you really want, use them for something ...

This is why iron and neodymium magnets are used in everything from ... Store information using tiny magnetic fields. Speakers & Microphones: Convert electrical signals into sound using magnets.

Neodymium Iron Boron magnets ... In 2024, Japan shipped 32 million smartphones, each embedding 0.5-1 g of NdFeB magnets in speakers, vibration motors, and sensors, totaling 16-32 tons annually.

Japanese scientists are proposing a new material for use in the permanent magnets of electric vehicle motors. The incumbent technology – neodymium-iron-boron, sometimes with dysprosium – works well, ...