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Nature Nanotechnology 3, 383–384 (1 July 2008) | doi:10.1038/nnano.2008.194

Nanomechanics: Macromolecules flex their muscles

Ben L. Feringa & Wesley R. Browne

While reading these words, spare a thought for the billions of molecules that must change their shape slightly in a collective manner so that you can flex your eye muscles. The dream of many scientists working on nanomachines is to design molecular systems that can behave like this.