Figure 23.

(a) Two photographs showing a drop of radius 2 mm as it bounces on the liquid surface. The arrows show the direction of bath motion. (b) A large floating drop as seen from the side (top). The interference fringes of the air film as observed when the drop is lit from the top with white light. The black dot at the center is the reflection of the camera’s lens. Reprinted figures with permission from [176], Y. Couder, E. Fort, C.-H. Gautier, and A. Boudaoud, Physical Review Letters, vol. 94, p. 177801, 2005. Copyright 2005, American Physical Society.