In The Overhead Projector: Don’t Overlook It (Part 1), I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board. Now we turn to how to use a ...

Add Yahoo as a preferred source to see more of our stories on Google. Unless you’re an ace draftsperson or prefer to work directly on a surface, enlarging a design without tracing can be a chore, even ...

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 a lot ...

PLAINVIEW, Texas (KCBD) - 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 ...