Developing a real, working tractor beam has regularly been an exercise in frustration: it often relies on brute force attempts to induce a magnetic link or an air pressure gap, either of which falls a bit short of science fiction-level elegance. The Technion-Israel Institute of Technology's use the subtler (though not entirely movie-like) concept of negative radiation pressure in light to move objects.
Engadget , Negative radiation pressure in light could make some tractor beams real, we're already sucked in, Negative radiation pressure in light could make some tractor beams real, we're already sucked in
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