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Atomic spins measure ultracold temperatures


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Lathander

    Lathander


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Geplaatst op 18 december 2009 - 11:29

http://physicsworld....icle/news/41266



Physicists in the US have developed a new kind of thermometer that can measure down to as low as one billionth of a degree above absolute zero and has the potential to reach just a few trillionths of a degree. The ability to measure such chilly temperatures could allow scientists to use ultracold gases to simulate condensed-matter systems that are otherwise very hard to study such as high-temperature superconductors

"Invisible Pink Unicorns are beings of great spiritual power. We know this because they are capable of being invisible and pink at the same time. Like all religions, the Faith of the Invisible Pink Unicorns is based upon both logic and faith. We have faith that they are pink; we logically know that they are invisible because we can't see them."


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