Anybody who's ever had the lamp go out in his LCD projector knows they can cost hundreds of dollars to replace. The cost may seem exorbitant, until you stop to think about the special tasks the lamp ...

For most business presentations, more projector light output is a good thing. If you can squeeze every lumen out of your projector, your presentation will have more contrast with colors that are more ...

Beam, a lightbulb-shaped gadget, promises projects your smartphone screen onto any surface you want. Launched on Kickstarter this month, the $350 projector screws into any lightbulb socket, so you can ...