Science

Antimatter is cooled to near absolute zero by a laser beam

For the first time, the researchers cooled antimatter to near absolute zero by trapping it in a magnetic trap and exploding it with concentrated laser light.

This method allowed Canadian scientists working in the CERN Anti-Hydrogen Laser Physics Apparatus (ALPHA) experiment to cool antimatter to temperatures as low as one-twentieth of a degree above absolute zero, making it more than 3,000 times colder than the lowest recorded temperature. in Antarctica.

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