Dr Horst Punzmann (left) and Professor Michael Shats test their wave-generated tractor beam. Photo by Stuart Hay.
Physicists at The Australian National University have created a tractor beam on water, providing a radical new technique that could confine oil spills, manipulate floating objects or explain rips at the beach.
The group, led by Professor Michael Shats, discovered they can control water flow patterns with simple wave generators, enabling them to move floating objects at will.
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