But after watching this Department of Defense video from 1954 we now have a full understanding of the principles involved in fluid coupling. Like us, you probably have seen a diagram of a ...

The latest evolution of quick-coupler technology promises the ability to connect hydraulically-powered attachments in seconds without setting a foot outside the cab. This capability now exists for ...

The coupling of vastly disparate length scales ... the entrainment of air bubbles into a fluid by vigorous stirring. If the liquid surface were to remain smooth, no air could ever enter it.