Old school vernier calipers served engineers and machinists well for a long time — and did a perfectly good job. Digital models then came along and were easier to read. They now rule the roost, ...

A theoretical astrophysicist uses his protractor to measure the universe. From a sheet of paper to the cosmos. Lots of pictures! This post is from Observer Short List—an email of three favorite things ...

Are you looking out for a free screen capture software? Well, you just might want to check out PicPick, an all-in-one software for software developers, graphic designers, and home user. It has an ...