Sewing machines looked simple, but their inner workings were anything but. Engineers had to invent an entirely new way of sewing to make machines possible. Tiny mechanical movements worked in perfect ...

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 ...

A room-sized ring laser interferometer in Germany can track changes in the length of Earth’s day with millisecond precision. Precise measurements of the length of an Earth day are essential for ...