“This is a laser light show made with 3 swivelling servo motors that can create unique laser effects by taking advantage of a visual phenomenon called persistence of vision.
Persistence of vision is an optical illusion that occurs when visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye.
We use this to our advantage by moving the servo motors quickly to produce a variety of lighting effects that the human eye will see as light drawings or patterns!”