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Near absolute zero molecules.

MIT succeeded in chilling molecules in a gas of sodium potassium (NaK) to a temperature of 500 nanokelvins.
Martin Zwierlein and his colleagues at MIT succeeded to chilling molecules in a gas of sodium potassium (NaK) to a temperature of 500 nanokelvins.

Cooling molecules directly is very difficult so the team started with cold individual sodium and potassium atoms. Then, they used a magnetic fie...

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