19 octobre 2026
2H36
Zaps
La Chine a trouvé quelque chose de mieux que le pétrole
Une bobine de cuivre, une batterie et un aimant suffisent pour fabriquer un moteur électrique simple. Celui-ci continue de tourner jusqu’à ce que la batterie soit à plat. Ce même principe de base est à l’origine de tout, des smartphones aux voitures électriques en passant par les systèmes militaires de...
China found something better than oil
A coil of copper, a battery, and a magnet are enough to create a simple electric motor. It keeps spinning until the battery runs out.
The same basic idea powers everything from smartphones and electric cars to advanced military systems.
The key ingredients are rare earth elements used to make powerful permanent magnets.
China has become the dominant supplier of these materials and the magnets made from them. Behind this industry is also a larger economic story: government support, cheap financing, export restrictions, and periods of low prices that can make it difficult for new mines and competitors to survive.
The same basic idea powers everything from smartphones and electric cars to advanced military systems.
The key ingredients are rare earth elements used to make powerful permanent magnets.
China has become the dominant supplier of these materials and the magnets made from them. Behind this industry is also a larger economic story: government support, cheap financing, export restrictions, and periods of low prices that can make it difficult for new mines and competitors to survive.
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