The idea of making a “homemade” hologram projector sounds like something out of a sci-fi movie. But, according to TikTok, you can pull it off with just two items. Different homemade versions of the 3D ...

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

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 ...

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