Most of us use calipers when working with our 3D printers. Not [Albert]. He has a clockwork caliper design that he 3D printed. The STL is available for a few bucks, but you can see how it works in the ...

Unless your daily driver is a classic Mini, or something of a similar ilk with drum brakes in all four corners, you'll have calipers providing the stopping force each time you hit the brake pedal.

We’ll take a guess that most readers have a set of digital calipers somewhere close to hand right now. The cheapest ones tend to be a little unsatisfying in the hand, a bit crusty and crunchy to use.

Energy is some weird stuff that can neither be created nor destroyed. It can only be changed into different forms, but during these transformations, the total amount of energy in any given system-or ...