Modern milling machines look much the same as they did 30 years ago. However, they now must cut superalloys, titanium, and high-tensile steels to closer tolerances and at faster rates than before. To ...

If you’re interested in making things (and since you’re reading this, we’re going to assume you are), you’ve almost certainly felt a desire to make metal parts. 3D printers are great, but have a lot ...

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 ...