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 ...

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 ...

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 ...

Records of the natural optical phenomenon of the “camera obscura” pinhole image date back as far as 500 B.C.E. Between the 16th and 19th centuries, it was commonly used as a drawing aid. Artists would ...

You've surely heard by now that the moon will pass between Earth and the sun on August 21, creating a total solar eclipse that will cast a shadow over much of the US. Jimmy Carter was president the ...