[BITList] Science gets colder than absolute zero

[x50type at cox.net]

less than zero is bloody cold!

ct

Science gets colder than absolute zero

When an object is heated, its atoms can move with different levels of energy, from low to high. With positive temperatures (blue), atoms more likely occupy low-energy states than high-energy states, while the opposite is true for negative temperatures (red). (LMU / MPQ Munich) Absolute zero is often thought to be the coldest temperature possible. But now researchers show they...

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