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How to Make a Crazy Zigzagging Stream of Water Using a Speaker

Flowing water droplets against a blurred background.

Sound waves are a lot more versatile than you'd think. For starters, you can use them to project images onto a bubble and liquefy gummy bears. And now, YouTube scientist and optical illusionist extraordinaire Brusspup shows how sound waves can also be used to manipulate a stream of water into a zigzag shape.

It works by setting the camera's frame rate to match the speed of the vibration from the speaker (in this case, 24fps). The effect can't be seen with your eyes alone—only through the lens of a camera. However, Brussup says that you could use a strobe light to make it visible with just your eyes.

Water flowing from a faucet with droplets.
Dripping water from a clear glass object
Water flowing from a gutter with a blurred background.
Water flowing from a faucet with droplets.
Dripping water from a clear glass object
Water flowing from a gutter with a blurred background.

Here's how Brusspup says he set it up:

How to Make a Crazy Zigzagging Stream of Water Using a Speaker

This isn't the only trick Brusspup has up his sleeve. Last year, he did a similar experiment that uses a speaker to make it look like water is frozen in mid-air.

If you don't want to mess with sound frequencies, some of his other effects are simpler to perform. You can make shampoo "dance" with nothing more than two glass dishes, make an Infinity Mirror with some cardboard and LEDs, and use camera angles to make tea lights look like a 3D fire box.

If you're a fan of his work, you can check out more of his illusions that we've covered before, and visit his YouTube channel for the rest.

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