i figured so, and so did sine~language, who sent us this link last night to a tom’s hardware article on building a sweet video system out of an lcd monitor and an overhead projector. more ...

[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 ...

Both cotton swabs are simultaneously inserted into opposite ends of a long glass Graham’s Law apparatus and placed on an overhead projector. A white ring of solid ammonium chloride forms where the two ...