NASA evaluating "tractor beam" technologies

NASA evaluating "tractor beam" technologies:

NASA is looking to turn another staple of science fiction to practical use by studying ways to make “tractor beams” a reality. While none of the technologies under the microscope will be able to transport anything the size of a modified YT-1300 Corellian freighter – at least in the short term – the researchers will examine if it is possible to trap and move planetary or atmospheric particles using laser light so they can be delivered to a robotic rover or orbiting spacecraft for analysis. ..
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