Contact: Professor Dr. Clemens Bechinger
C.Bechinger@physik.uni-stuttgart.de
49-711-685-65218
Max-Planck-Gesellschaft
Caption: 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.
Credit: Fritz Höffeler / Art For Science
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