Author(s): Christophe Raufaste, Gabriela Ramos Chagas, Thierry Darmanin, Cyrille Claudet, Frédéric Guittard, and Franck Celestini
An oscillating surface can propel a drop of water or a springy ball upward at a speed higher than that of the moving surface.
[Phys. Rev. Lett. 119, 108001] Published Fri Sep 08, 2017