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Always closer to absolute zero

NIST physicists have cooled a mechanical object to a temperature below the so-called “quantum limit.”
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__truncato_root__>The rules of physics say it's impossible to cool an object to absolute zero, to remove all thermal energy until its atoms come to a standstill. But in a paper recently published in the journal Nature*, researchers at the National Institute of Standards and Technology (NIST) in ...

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