Dustinsfl
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The discussion centers around a video by brusspup showcasing water flow visualizations. The key technique involves synchronizing the camera's image capture rate at 24Hz with the water droplet formation, creating an illusion of stationary flow. When the capture rate is adjusted to 23Hz, the flow appears to reverse. This optical effect relies on precise timing between the camera and the water dynamics.
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Presumably the camera takes images at the rate of 24Hz. The speaker somehow induces the water to form drops at the same rate, so that the flow appears to become stationary. If the rate is reduced to 23Hz then the flow appears to go into reverse.Jameson said:Interesting video! I don't quite get the set up though. Is the speaker only to the side or is it below as well? I don't see how they get the reverse flow effect.![]()