Ever wonder what the smallest engine developed by Cosworth looks like? Well, before thinking about inline-four-cylinder units, you should know that they got even smaller than three cylinders. Back in ...

Four-cylinder engines have been part of the automotive scene for over a century. Yet the quest for more power under the hood dominated most of the 20th century, giving rise to six- and eight-cylinder ...

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 ...