Amazing Levitating Water Display
How often do you get to see water defying gravity, which is outside the constraints of time and space? Not very often except in movies, but this cool levitating water display actually makes drops of water move up and down so slow that our eyes are able to watch them clearly!
This display is actually an optical illusion, as perfectly tuned strobe lights flashes at the water streams at specific frame rates similar to that of a projector to trick the human brain into thinking the water drops are actually moving up and down.
Video of the levitating water display where the entire concept is explained: