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 incandescent light bulb. This step-by-step craft tutorial shows you how to ...

Use a cereal box and items around the house to make a pinhole eclipse projector. — -- If your approved solar eclipse glasses didn't come in time or stores near you are sold out, it's not too late ...