Atomic spins measure ultracold temperatures
Geplaatst op 18 december 2009 - 11:29
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
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