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.

While data projectors are popular tools for business meetings, the overhead projector still has some significant benefits. For interactive presentations, an overhead projector lets you write ...

Using a bare LCD panel with an overhead projector is a decades-old hack we’ve covered before. The basic idea is fairly simple, but we’ve never seen anything that could be considered a semi ...

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 ...

Making an Overhead Projector Wireless. When you're using a projector to display presentations, videos or other media, you're typically limited to keeping the projector in one static location so ...

Knappenberger stood in front of the giant Zeiss projector, while beside him was a much smaller overhead projector used by generations of classroom teachers.

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 storage room filled with overhead projectors is seen in Folsom Stadium on the University of Colorado's Boulder campus on Wednesday.

Instead, use a projector (ideally an LCD--with or without an interactive whiteboard--but otherwise an old-fashioned overhead will do), guaranteed to provide a more orderly and, in turn, effective ...