To make them requires mining and refining rare earth elements—a supply chain largely controlled by China. Companies around the world are racing to find alternatives by using materials that are more ...
In Hefei, China, physicists switched on a new machine that pushed magnetic fields to record strength. As the device powered up, it held a magnetic field more than 700,000 times stronger than Earth’s ...
After Beijing exerted its power over the valuable magnets as leverage, other countries started to add production, but only incrementally. And China is far ahead. After Beijing exerted its power over ...
Broad restrictions could cause supply interruptions for arms makers, as well as manufacturers in the semiconductor, automotive and other sectors. By Keith Bradsher Reporting from Shanghai From cars ...
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