This article is from the Fractal FAQ, by Ermel Stepp firstname.lastname@example.org with numerous contributions by others.
Robert Shaw at UC Santa Cruz experimented with chaos in dripping
taps. This is described in:
1. J. P. Crutchfield, Chaos, _Scientific American_ 255, 6 (Dec. 1986), pp.
2. I. Stewart, _Does God Play Dice?: the Mathematics of Chaos_,
B. Blackwell, New York, 1989.
Two references to other laboratory demonstrations are:
1. K. Briggs, Simple Experiments in Chaotic Dynamics, _American Journal
of Physics_ 55, 12 (Dec 1987), pp. 1083-1089.
2. J. L. Snider, Simple Demonstration of Coupled Oscillations, _American
Journal of Physics_ 56, 3 (Mar 1988), p. 200.