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 ...

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 ...

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 ...

Never forget this: There is a tool for everything. And not just a general mixed-use tool. There is a tool specifically designed for the job you’re doing. Take rulers, for example. They’re one of the ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

We earn commissions from purchases you make using links in our articles. Learn more. If you need precise measurements, you're going to want digital calipers. When it comes to measuring lumber or ...

Last month we honed the cylinder bores on our International 7.3L IDI diesel engine. This process took the glaze off the walls and left a good surface for our new piston rings to contact. This time we ...