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This is a must see: NASA made a Jacuzzi out of the sand. Video

Это надо видеть: NASA смастерило джакузи из песка. ВидеоThe sand got a new property – fluidity.

Mark Rober, a former NASA engineer from California, made the sand flow using the pressure of a strong air jet.

The engineer explained that a similar effect is used in powder staining and filling the grain in the granaries.

“This is the coldest bath ever, that I have ever taken ever,” says tester, mark Robert.

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