Neodymium magnet

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Notion

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Science and technology

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What Wikipedia says

A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is a permanent magnet made from an alloy of neodymium, iron, and boron that forms the Nd2Fe14B tetragonal crystalline structure. They are the most widely used type of rare-earth magnet.

Excerpt from the Wikipedia article “Neodymium magnet”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Raimond Spekking, CC BY-SA 4.0, via Wikimedia Commons.