An curved arrow pointing right. It's incredibly easy to build a projector for your smartphone. All you need are a few household items and a magnifying glass. We needed a box that was at least 17 ...

An curved arrow pointing right. It's really simple to build a projector for your smartphone to be able to project the same types of holograms seen in Star Wars and other movies. Here's how!

We especially like smart projectors, which require no external ... Apple AirTags are a simple solution for iPhone owners that helps them find lost stuff. If you're an Apple user, there's no ...