Pneumatic-tire rollers may not be the most visible machine on the asphalt or soil compaction job site, but they are more versatile than one might think, and manufacturers continue to offer units with ...

The main reason why ships pump water out from the sides is because of ballasting operations. Ballasting is a very important aspect of a ship's ability to maintain stability and safe handling at sea.

Adding ballast to a cultivation tractor is a time-honoured method of delivering maximum grip and making the most of the ponies it has to offer. Traditionally this has come in the form of front-end ...

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 ...