Texas Instruments developed digital mirror devices, and the subsequent digital light processing (DLP) projector, starting in the late 1980s. The technology is a wondrous and fanciful application of ...

— -- You're lying in bed, staring in the dark up at a movie, music video, or slideshow that's been projected on the ceiling. If you didn't know better, you might assume the image was projected by ...

If I could, I’d watch every film in a cinema. My next best option: Replicate the experience in my living room, with surround-sound and a projector that turns my wall into a de facto screen. But until ...