A series of experiments by Brusspup showing the effect of a loud 24Hz sine wave on streams of water, with the camera frame rate adjusted to match the vibration of the air. Brusspup adds:
If you want the water to look like it’s moving backward set the frequency to 23hz. If you want to look like it’s moving forward in slow motion set it to 25hz.
Previously: Sine Wave Witchcraft
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