Physics Professor Randy Hulet uses a special laser to create supercold "superfluid Fermi gas." Science ranks his discovery #4 in its top 10 breakthroughs of 2004. Physicists at labs in the United States and Austria create the superfluid -- cooling atoms to less than 1 millionth of a degree above absolute zero -- to understand better the properties of superconductors.

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Professor Randy Hulet
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