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Sail beneath a levitating sea — upside down?

Through a couple of sleights of science, a team of French scientists showed that not only could they make a layer of viscous liquid hover in midair but that a little toy boat would also bob on the bottom side of the liquid layer in the same way that one would normally float on top.

“That was a fun experiment,” said Emmanuel Fort, a professor at France’s ESPCI Paris and an author of a paper published this week in the journal Nature that describes this seemingly impossible feat. “Everything worked well. And I’m still amazed by the results.”

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Category: Science