Toy boats float upside down underneath a layer of levitated liquid – Finance Brokerage

Going bottom-up is no problem for a boat on the underside of a levitated liquid.
In a container, liquid can be levitated over a layer of gas by shaking the container up and down because the repeated, upward jerking motion keeps fluid from dripping into the air below. Lab experiments have revealed a curious consequence of this antigravity effect. Objects can float along the bottom of a hovering liquid as well as along the top, researchers report in the Sept. 3 Nature.
Physicist Emmanuel Fort an…

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