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The experiment that made electrical resistance vanish

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Heike Kamerlingh Onnes wasn't trying to invent magnetic levitation; he just wanted to see what happened to mercury at nearly absolute zero. He stumbled into a quantum glitch where electrical resistance entirely vanishes, allowing electrons to glide endlessly without friction and laying the groundwork for modern MRIs and bullet trains.

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The experiment that made electrical resistance vanish
STACKY / Science
Topics in this factcryogenicssuperconductivityphysics
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