The DIY enthusiast Ben brought forward a unique approach to build a portable projector using the concept of “persistence of vision” where an image produced by a moving object doesn’t disappear as soon ...

Creating a projector's beam is extremely simple Timestamp 00:00​ Introduction 00:10 Initial setting 00:50 Create Projection 01:50 Create light rays 02:21 Adjust the Blur of the Projection Hope it is ...

Lasers seem ideal for projection: pinpoint sharp and with the purest, most controllable of colours. And yet it's only now that we're seeing them in reality. And they don't work quite the way you might ...