Believe it or not, audio speakers rely on some of the same magic that powers the AC induction motors found in the front of many dual-motor Teslas and other EVs. Both concepts involve Faraday's law of ...

Speakers might all look somewhat similar on the outside, but there are many different kinds and all of them have different jobs. The physics behind what makes a speaker work the way it does can be ...

Subwoofers are a type of speaker that boost the lowest frequencies in whatever audio you're listening to. These low frequencies usually include bass guitars, pipe organs, deep voices, kick drums, and ...

China currently accounts for around 60% of global rare earth mining, according to the International Energy Agency, and about 90% of refining (including ore mined in and shipped from the U.S.). It also ...