Issue Date: July 14, 2008
Two teams of researchers have demonstrated that laser methods can be used to cool molecules to near absolute zero. Ensembles of molecules with nearly zero energy provide opportunities to explore quantum phenomena that cannot be observed in energetic systems. Ultracold molecules may also be useful for high-resolution spectroscopy and quantum computing. Laser-based methods for stripping energy from atoms have been used for 20 years to produce nearly motionless collections of atoms in a state of . . .
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