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 directly ...

Using transparencies with an overhead projector offers a powerful presentation tool. Many people rely on professional copy services to transfer a presentation from standard paper to transparencies.

Stephen is a managing editor at Android Police, where he helps people find words that are good, and put them in orders that are good, too. Most of the time those words tell people about the latest ...

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 ...