Green laser diodes will make it possible to project movies from handheld devices--once the technology is more fully developed. Photo: Green laser diode Erica Ogg is a CNET News reporter who covers ...

Add Yahoo as a preferred source to see more of our stories on Google. If you want a way to instantly project anything on your smartphone screen onto a wall or projector screen, there are a ton of ...

Turning red to green is a lot harder than it sounds. It also might be the ticket to making portable video more watchable. More companies are promising compact projectors designed to ensure that, once ...