What is the resonant frequency of a balloon? Steve Mould hooked up a balloon to a scientific vibration generator to find out.

Resonating balloons look really odd on camera. What you see is a sort of slow motion. It’s actually the stroboscopic effect. The image is made stranger by the addition of rolling shutter.

Learn more about the stroboscopic effect at the end of Mould’s physical demonstration of gravitational waves video and via these 3D-Printed “Blooming” Fibonacci Zoetrope Sculptures.

Plus: Resonance, forced vibration, and a tuning forks demo, Mercury Hz: Sound waves passing around & through mercury, and water balloons falling (and bouncing) in slow motion.

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