Introduction 00:10 Initial setting 00:50 Create Projection 01:50 Create light rays 02:21 Adjust the Blur of the Projection ...

To make your simple pinhole projector, grab one of the card stocks, fold it in half, and cut a small 1-inch (or 2-inch) hole at its center.

In this video, learn how to make a game projector for smartphones using light bulbs. Follow our step-by-step guide to ...

Meteorologist Dylan Hudler explains how to make your own solar eclipse viewing projector.

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 ...

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 ...