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!

Easy way to create your own projector using common household items. Paralyzed teenager awarded $12.4 million after falling ...

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 ...