Researchers at the National High Magnetic Field Laboratory in Tallahassee, Florida, have pushed a palm-sized superconducting coil to 42 tesla, placing a device small enough to hold in one hand within ...
When we think of powerful magnets used in particle accelerators or for NMR (nuclear magnetic resonance), we often envision bulky machines, sometimes the size of buildings. But in an extraordinary ...
China’s halt this month on exports of magnets containing heavy rare earth metals has affected Tesla’s plans to manufacture Optimus robots. By Keith Bradsher Reporting from Shanghai Elon Musk, the ...
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