You might think “Why would I want to turn my light into a computer?” I was thinking that, too, until I saw what the folks at Beam Labs are up to. This is a ingenious bulb that has a full Android OS inside. Simply screw in the Edison bulb, turn it on and use the lamp as a projector. The first application I thought of was for a restaurant. You could  easily have a menu project onto a table. When you don’t want to see the menu anymore, flip the switch and it’s a regular light bulb. With the app, you...