The stroboscopic effect is one that causes the human eye perceives images in a continuous and smooth but are actually going at high speed sequences. He is responsible, among other necessary illusion of watching a movie for apreciendo the frames as a continuous or falling water to perceive it as a stream rather than as individual drops.



With a little skill, adjusting the sound and using the shutter of a video camera to the right frequency instead of the typical strobe normally used to demonstrate this effect (also used a lot in discos) is able to create the curious effect of are apparently frozen droplets in the air.

Remember that other a little video in which the blades of a helicopter appear to be still, when as in this video what happens is that synchronize with the frequency of clogging of the sensor. Really funny and a good example of how what we see is not always what is really happening.

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