Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.

Learn how to make your own smartphone projector at home using simple materials like a cardboard box, hot glue, and an ...

In case you haven’t heard, there’s a solar eclipse coming! But while eclipses are cool, unless you’re in the path of totality — i.e., the part of the country where the Moon will completely obstruct ...

It's easier than trying to find eclipse glasses at this point. And better for your eyes than staring directly at the sun. Matt Elliott is a senior editor at CNET with a focus on laptops and streaming ...