[Joel] wanted a huge-screen TV on the cheap, so he converted an overhead projector to something he can use with his XBox. Using a bare LCD panel with an overhead projector is a decades-old hack ...

Like any projector, they also can't compete with ambient light. An ambient light-rejecting screen can help considerably, but they aren't cheap. When you can get a 100-inch TV for $3,000, which will be ...

overhead projector. In this type of learning space, instructors will find a basic projection system that allows content to be projected from a laptop and/or local desktop PC. Available equipment ...

Tack the black sheet to the front of the classroom to form a screen for the overhead projector. Place the overhead projector in the back of the classroom to make its image as large as possible on ...

overhead projector. In this type of learning space, instructors will find a basic projection system that allows content to be projected from a laptop and/or local desktop PC. Available equipment ...