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The latest Messages 8
2021-10-24 22:48:58
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2021-10-24 22:48:58
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2021-10-24 22:48:58
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2021-10-24 22:48:57
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2021-10-24 22:48:38
The CMS detector lights up 6 leave signals in the electromagnetic calorimeter and hadronic calorimeter
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2021-10-24 22:48:35
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2021-10-20 23:48:51
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2021-10-17 08:07:18
Absolute zero is the point at which all molecular motion stops .
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In this record-breaking experiment, scientists trapped a cloud of around 100,000 gaseous rubidium atoms in a magnetic field inside a vacuum chamber. Then, they cooled the chamber way down, to around 2 billionths of a degree Celsius above absolute zero. To get even colder, they needed to mimic deep-space conditions. So the team took their setup to the European Space Agency's Bremen drop tower, a microgravity research center at the University of Bremen in Germany.
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By dropping the vacuum chamber into a free fall while switching the magnetic field on and off rapidly, allowing the BEC (Bose - Einstein's Condensate) to float uninhibited by gravity, they slowed the rubidium atoms' molecular motion to almost 𝗡𝗼𝘁𝗵𝗶𝗻𝗴.
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2021-10-17 08:07:04
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2021-10-17 08:07:00
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