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 ...

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, ...

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 ...

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 ...

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 you can keep it plugged in and connected to ...