A metronome drives five pendula. Designed after “A Metronome Drives a Pendulum in Resonance”, Yi Jinn Lillian Chen; Shuo-Hong Wang; Jiann-Shing Lih; Tzu-Chun Chen; Jeng-Fung Hung; Jing-Yuan Ko, Phys Teach 63 330-332.
Pendulum set, soda cans, metronome: E1-3; blacklights R2-3, M1-6