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11-11/12 :: November/December 2011

nanotimes News in Brief

43

A Stirling engine in the microworld: In a normal-sized engine, a gas expands and contracts at different temperature and thus moves a piston in a cylinder. Physicists in Stuttgart have created this work cycle with a tiny plastic bead that they trapped in the focus of a laser field.

© Fritz Höffeler / Art For Science

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