How does Stone Skipping work?

By bouncing elastic spheres across the surface of Bear Lake in Utah researchers have discovered the physics behind stone skipping. The mechanism of ‘water walking’ occurs when a deformed sphere rotates continuously across the surface of the water giving the appearance that the sphere is literally walking on water.

Interview with Jesse Belden from the Naval Undersea Warfare Centre and Randy Hurd at Utah State University.

Sponsored by FYFD, the Journal of Fluid Mechanics, and the UK Fluids Network. Produced by Tom Crawford and Nicole Sharp with assistance from A.J. Fillo.

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