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Nature Physics 4, 513–514 (1 July 2008) | doi:10.1038/nphys1006

Optomechanics: Push towards the quantum limit

Florian Marquardt

Johannes Kepler might have been the first to realize that light can produce mechanical effects. In his treatise De Cometis of 1619, Kepler suggested that the tail of a comet is deflected by the Sun's light.