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 ...

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 ...

On the third floor of Folsom Stadium in a sparsely furnished storage room, 100 or so clunky gray boxes with glass tops sit on the floor, some haphazardly stacked on top of each other. This is where ...

Overhead projectors are useful tools to present large visuals in the classroom or boardroom, but poor care and the temperature of the machine cause possible risks to your health and safety. To ensure ...

Visible even next to lamps or sunlight. Vivid HDR at night. Up to 150-inch screen. ALR screen enhances picture quality. No overhead mounting necessary. Expensive. Picture quality still not great ...

A key to keeping students on task is closing their window of opportunity to get off task. And never is that window more wide open than when you turn your back to write on the board. Case in point, my ...