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EXCLUSIVE: Scientists record temperatures below absolute zero for first time

January 05, 2013

EXCLUSIVE: Scientists record temperatures below absolute zero for first time

It’s cold…really cold.

Scientists have made a startling achievement long thought to be impossible: a negative absolute temperature.

Using a reversed magnetic field on a laser-stabilized lattice of super-cooled potassium atoms, physicists at the Ludwig-Maximilians University Munich and the Max Planck Institute of Quantum Optics in Germany registered a temperature a “few billionths of a Kelvin” below absolute-zero.

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