Scientists placed an upright piece of film in a pool of ethanol and put the device under infrared light. The film moved back and forth, with its energy ultimately powering a small engine. Photo: Liu Zunfeng
Scientists placed an upright piece of film in a pool of ethanol and put the device under infrared light. The film moved back and forth, with its energy ultimately powering a small engine. Photo: Liu Zunfeng
Science

Chinese scientists say their new ‘shivering muscle’ converts sunlight to mechanical energy

  • Team devised an artificial ‘muscle’ from porous polypropylene film and carbon black that powered a machine through movement, paper reports
  • Lead researcher says potential applications include running microsensors and smart robots

Scientists placed an upright piece of film in a pool of ethanol and put the device under infrared light. The film moved back and forth, with its energy ultimately powering a small engine. Photo: Liu Zunfeng
Scientists placed an upright piece of film in a pool of ethanol and put the device under infrared light. The film moved back and forth, with its energy ultimately powering a small engine. Photo: Liu Zunfeng
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