Add Yahoo as a preferred source to see more of our stories on Google. Artistic impression of the Electrostatic Tractor during an Earth encounter. (CREDIT: Fabio Annecchini & Dario Izzo) A dead ...
A team of engineers is working on a real life “tractor beam,” a staple device of spacefaring sci-fi that can push and pull objects at a distance without making contact. Tantalizingly, their early ...
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