FICTION INTO SCIENCE: The tractor beam is here! Sorta. It isn't Star Trek level yet, but researchers at the Research School of Physics and Engineering at The Australian National University in Canberra, Australia, have developed a laser beam system that can attract or repel objects. However, it won't be capturing spaceships any time soon. The current technology is limited to very small objects at short distances. Even more limiting, the laser tractor beam will only work in air, not in the vacuum of space. Still, It is more than we had last year.
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Steven Tinel is an old school science fiction fan & blogger.
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