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Nature 432, 965 (23 December 2004) | doi:10.1038/432965a; Published online 22 December 2004

Device physics: Microlever chilled out

Peter W. Milonni1 & Boris M. Chernobrod1

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New work shows how light might be used to cool a micrometre-size cantilevered mirror to the low temperatures required in physics experiments and applications.

Microfabricated cantilevers have permitted by far the most sensitive studies of small forces at tiny length scales. They are the basis of, among other things, the atomic force microscope and the magnetic-resonance force microscope.

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