Неодимовый магнит самый мощный во Вселенной. | Почему за этот элемент сражаются сверхдержавы?
Element 60: The metal without which civilization would collapse. But why has this hard-to-find element sparked trade wars between superpowers, and how does it help cure cancer? The tiny twin of the periodic table, which quietly holds our entire modern world on its shoulders. Why is this metal the most powerful on Earth? A tiny permanent magnet the size of a cherry pit. This magnet is so powerful it can hold a load 200 times its own weight. It holds a speaker diaphragm with micrometer precision. It moves a camera lens when focusing. Without it, your phone is a piece of glass and aluminum with no voice, no vibration, and no clear photo. This material is called neodymium. We all know what magnets are, as it's extremely difficult to imagine modern life without them. Even a regular refrigerator wouldn't close properly without magnetic tape in the seal... Video link: "Melting stone is easy. | This season, it's all about concrete again": • Расплавить камень просто. | В этом сезоне ... Video link: "Impossible to cut with a chisel | How ancient masters sculpted marble lace from concrete": • Невозможно вырезать резцом | Как древние м... Video link: "Water: a cosmic anomaly on Earth. | The most mysterious substance on our planet": • Вода космическая аномалия на Земле. | Само... Channel link: / @eddirik Playlist: 00:00 Greetings. 00:05 This magnet can hold a load 200 times heavier than itself. 01:20 About magnets. 05:30 Neodymium is an element in the periodic table. 06:30 Neodymium is a rare earth metal, but not a rare one. It's a lanthanide. 08:50 The main technological challenge is separation. 11:15 From a neutron star to the greatest technological battle of the 21st century. 13:20 How Welsbach separated the twins. 16:10 The history of neodymium. 18:25 Neodymium magnets are everywhere. 26:56 Don't boil neodymium magnets, you don't need to.

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Цепи Маркова — математика предсказаний [Veritasium]

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