The DIY enthusiast Ben brought forward a unique ... As long as certain components that you need to make your projector are functional, such as the motor, etc., you can certainly use a faulty ...

First off, gather your materials. You'll need a shoebox, a magnifying glass with the handle removed ($5-$10), black paint or thick black paper, adhesive tape, and of course, your smartphone. The ...

Part 6 of my DIY HD Projector How-To is up on Engadget. It wraps up the series (sans final review, which willl be up later this week.) I think I managed to come up with a few new twists on the design.

But fear not, you've got plenty of time to make a pinhole projector to view the total solar eclipse. Take your box -- I used a cereal box -- and trace its bottom on your sheet of paper.