Everybody knows that when a stone is dropped in water, a jet of water shoots up. Physicists Detlef Lohse, from the University of Twente in The Netherlands, and Heinrich Jaeger, of The University of Chicago, are combining math, theory and super high-speed videos to try to figure out the basic physics underlying the jet.
Video footage courtesy of Detlef Lohse/University of Twente and John Royer, Eric Corwin, Heinrich Jaeger, University of Chicago. Cover image from jmsuarez/flickr. Music from Prelinger Archives. Produced by Flora Lichtman