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Simple Laser Projector Based on Persistence of Vision

Date Tue 09 August 2016 Category Hobby Projects Tags laser / persistence of vision / projector / filters / Fourier transform

A fast moving source of light on a sufficiently long exposure photograph will look like a bright continuous streak (think of photos of fire dancers). Similarly, a sufficiently fast moving light source would look like a long streak to our eyes too, which permits a number of interesting persistence of …

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