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 ...

Need a high definition projector? Don’t have a thousand bucks sitting around? Then this hack is for you! [TheJinxster] threw together this awesome HD projector, and it cost him absolutely nothing to ...

Need a high definition projector? Don’t have a thousand bucks sitting around? Then this hack is for you! [TheJinxster] threw together this awesome HD projector, and it cost him absolutely nothing to ...

Whether you give presentations for a living or attend them only at seminars, you've probably sat through hours of digital slides and scenarios, overhead-projector transparencies and bullet points.

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 ...