Physicists Made Boats Sail Upside-Down on an Ocean of Levitating Liquid – ScienceAlert

It’s like something out of Stranger Things, but with fewer Demogorgons and less of the sinister darkness: physicists have flipped reality on its head, creating their own ‘upside down’ by getting small boats to float underneath a levitating liquid.
Seeing it in action, you would think you were watching some kind of sci-fi movie effect, but it’s all to do with the forces of vertical vibration. It’s already been established that some carefully calibrated vertical shaking can keep liquid suspended …

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