Unless you’re an ace draftsperson or prefer to work directly on a surface, enlarging a design without tracing can be a chore, even for some Old Masters. Vermeer, for one, is believed to have used a ...

I am on a drug. A drug called Charlie Sheen’s tips for effective meetings for education and business, delivered by this planet’s finest overhead projector technologies. Background: I craft my master ...

Technically, only one type of projection equipment – transmissive – qualifies as overhead projection, but the lines between competing analog presentation methods blur when less-experienced presenters ...