Physicists have created a water analog of the fiction attracting ray (video)

water analog

A hypothetical ray that can remotely move objects, appeared for the first time in the first half of the twentieth century in science fictions about aliens. Since then,...

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water analogA hypothetical ray that can remotely move objects, appeared for the first time in the first half of the twentieth century in science fictions about aliens. Since then, scientists regularly conduct experiments in order to implement this idea in practice.

As reported in an article published in the magazine Nature Physics, Australian researchers have learned how to manipulate remote objects, which are floating on the water surface. According to the head of development, Michael Schatz at the Australian National University, the most interesting thing in this story is not the technology itself, through which a small table tennis ball moves in a tub of water, but the fact that no one came to this idea so far.

The scientists used a simple wave generator, creating different variations on the water surface. They found that a particular type of waves causes the ball to move upstream. The team used a very precise tracking system for the formed streams.

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