An overhead projector is made up of a base with a clear glass top housing an interior light and an adjustable arm with a lens and a mirror. A transparent sheet is placed over the glass top, and the ...

[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 ...

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 ...

[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 ...

Image caption, The overhead projector was technology to be spoken of in hushed tones of awe. Using transparent plastic sheets, (very) special felt tips and what we were always told was a very ...