The world's smallest steam engine measures a few micrometers


  • The world's smallest steam engine measures a few micrometers

     
    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


    The world's smallest steam engine measures a few micrometers













    Source: physorg.com