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 ...

Overhead Projector’s Underpants on the Ceiling Fan dutifully notes it was “recorded in Durham, N.C. throughout the 21st century.” That allows lone constant Projector Rusty Haynes close to seven years ...

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 ...

During the last Presidential debate, John McCain delivered this line about his opponent with withering contempt: [Obama] voted for nearly a billion dollars in pork barrel earmark projects, including, ...

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 ...

Overhead projectors use a bright lamp and mirrors to display text or images from a transparency sheet on a wall or screen. If your projector displays a shadow when projecting, you must troubleshoot ...

If you're looking for a way to liven up your home's walls you can easily and inexpensively paint decorative accents if you have access to an overhead projector. Just photocopy the pattern you want ...

Apparently, there’s some sort of sporting event being televised this weekend that has been historically used as an excuse to buy a big-screen TV. [Joel] wanted a huge-screen TV on the cheap, so he ...

John McCain has frequently criticized Barack Obama for a $3 million earmark for an "overhead projector" for a planetarium in Chicago. Paul Knappenberger, president of Chicago's Adler Planetarium, ...

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 ...

Regular CV readers already know of John McCain's past griping about planetariums. Well, apparently that planetarium is really stuck in his craw, because he brought it up again in the most recent ...