Physicists have developed the first ever long-distance optical tractor beam, and it can both repel and attract objects.
via Australian scientists have created a tractor beam that can move particles up to 20 centimetres.
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Physicists have developed the first ever long-distance optical tractor beam, and it can both repel and attract objects.
via Australian scientists have created a tractor beam that can move particles up to 20 centimetres.