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!

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.

If your approved solar-eclipse glasses didn’t come in time or the store is sold out, it’s not too late to safely see the eclipse.

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Don’t have any solar eclipse glasses? No problem! Make your own free pinhole camera in five easy steps to safely watch the solar eclipse on Aug. 21. Safety glasses are a hot commodity and are… ...

Turning your smartphone into a sort a budget holographic projector is much easier than you’d expect, and it’s a fun project if you find yourself bored enough. We rarely advise you to drop everything ...