The machine had something of religious instruction about it. A hush fell upon the classroom as we were thrown into darkness.

A lot has been said and written about the earmark Barack Obama sought for a new $3 million overhead projector at the Adler Planetarium since John McCain raised it in Tuesday night’s debate. And ...

John McCain has frequently criticized Barack Obama for a $3 million earmark for an "overhead projector" for a planetarium in Chicago. Paul Knappenberger, president of Chicago's Adler Planetarium ...

I don't like using PowerPoint in the classroom, so I usually use a blackboard or an overhead projector. What I'd like to do is write on a projector-connected iPad, have the screen content ...

Remember the days of overhead projectors? They were in every classroom. Wayland Baptist University saved all of those clear, plastic sheets, also known as transparencies. It is a good thing they saved ...

One clever traveler found a way to turn his trip from Athens to Singapore into a cinematic experience — with the help of a pocket projector and some overhead bins.

A lot has been said and written about the earmark Barack Obama sought for a new $3 million overhead projector at the Adler Planetarium since John McCain raised it in Tuesday night’s debate. And ...

An airline passenger brought a projector onto a plane and used it to watch a feature film on an overhead bin during a flight.

BOULDER - The University of Colorado Boulder has decided to party like it's 2015 by collecting the campus' overhead projectors into a technologically outdated graveyard for recycling. Currently ...