I needed a temperature controller module recently, so off I went to Banggood to order one. As one does I found myself browsing, one thing led to another, and I bought a micrometer screw gauge. While ...

A new device and technique have been developed by National Institute of Standards and Technology researchers for measuring "breakdown" voltage -- the voltage required to produce electrical arcs when ...

'It's a tough call. If you only plan on ever building one or two engines in your life, it's difficult to justify spending big dollars on specialty engine tools like a micrometer and a dial-bore gauge.

The capability of a vernier or digital caliper depends on the accuracy of the scale. A caliper's design, rigidity of the beam, squareness and parallelism of the jaws to the scale, and general ...

image: A schematic of a new device developed by researchers at the National Institute of Standards and Technology for measuring view more Air is a great insulator--except when it becomes a conductor.