If you’ve scrolled through social media lately, you’ve probably noticed something twinkling in the background of countless posts: galaxy projectors. These cosmic light devices are everywhere, and it’s ...

If you scroll through social media lately, you’ve probably noticed something twinkling in the background of countless posts: galaxy projectors. These cosmic light devices are everywhere, and it’s easy ...

Most people expect projectors to just work. But they often don’t. Cheap models promise big screens but end up blurry or washed out in daylight. Focus can be a pain, keystone correction isn’t always ...

From the Cheapskate: This compact projector has its limits, but it might be fun for parties. Plus: the return of the $50 Lytro camera! Rick Broida is the author of numerous books and thousands of ...