Small Cheese

A Trick Of Using Sound Frequency To Do Water Magic

By tuning sound frequency to 23Hz, it could create a reverse effect on the water running down to floor, an illusion that seems like the water is actually running up from ground.

Besides the reverse effect, it could also create a spiral effect by tuning the sound frequency to 24Hz. If you want to prove it (and show it off during a party/gathering), follow this video guide shared by others on Facebook.

Note, I haven’t proved it myself:

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