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Tuesday, 28 September 2021
Microscopic metavehicles powered by nothing but light
Researchers from Chalmers University of Technology, Sweden, have succeeded in creating tiny vehicles powered by nothing but light. By layering an optical metasurface onto a microscopic particle, and then using a light source to control it, they succeeded in moving the tiny vehicles in a variety of complex and precise ways—and even using them to transport other objects.