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The latest technology news and analysis from the world's leading engineering magazine The world's leading engineering magazine
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- Aug 19, 2026earliest in window
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News
How China’s Yttrium Curbs Threaten Data Centers
2+ week, 3+ day ago (326+ words) Vital supply chains rest on a couple of really rare rare earths Erbium is a critical ingredient in the amplifiers that boost optical signals for long distance communication. There are 17 rare earth elements. While almost all of them have vital…...
Could Rethinking Rare Earths Shield Chips From Geopolitics?
3+ week, 3+ day ago (724+ words) Michigan researchers seek ways to make chips without rare earths and other problematic materials Alex Music is a reporting intern at IEEE Spectrum and a science writer covering climate, the environment, math, and policy. Supply chains in many industries are…...