This DIY projector might be the easiest you ever build. By Sandra Gutierrez G. Updated Apr 5, 2024 3:46 PM EDT We may earn revenue from the products available on this page and participate in affiliate ...

Eclipses, like the solar eclipse coming up on April 8, are some of the sky's most spectacular shows. And there are multiple ways to view them safely. You don't necessarily need special glasses or ...

The thought of making your own camera may sound daunting. Today, a camera is seen as highly technical and expensive machine. But at its most basic, a camera is simply a box with a hole in it, and ...

The simplest way to project an image onto a screen is with a pinhole. What the heck is a pinhole? It's a hole so tiny it has to be made with a pin. See, science isn’t that hard. People have been ...