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 ...

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 useful to you Thanks for watching Subscribe!

SCIENCE IS JUST AN INCREDIBLE THING. ALL RIGHT, SO IF YOU DON’T HAVE ECLIPSE GLASSES, WE KNOW WE COULD USE THINGS LIKE A COLANDER TO JUST KIND OF FILTER IT. BUT THERE’S ANOTHER THING THAT YOU CAN MAKE ...

The projectors we had in school used a bulb as a light source (and some still do), but a laser projector is your best bet. A laser gives you a picture with dramatic contrast, better color accuracy, ...

If you don't have solar glasses yet to watch the total eclipse happening April 8, not to worry. The good folks at NASA have an easy way you can view the eclipse by making a box pinhole projector with ...