A new hydraulic hose handles the same flow and pressure of traditional hose, yet is smaller, more flexible, and lasts longer. For engineers specifying hydraulic hose, SAE J517 traditionally provided ...

Distinctive spiral patterns carved into a small jade ring show that China was using complex machines more than 2500 years ago, says a Harvard graduate student in physics. The ring was among the goods ...

Spiral-wound retaining rings consist of one or more turns of rectangular edge-wound wire. This provides a coil which can be installed or removed using automatic equipment or simple hand tools. When ...

Important insights into the mechanisms underlying spiral nanostructure formation in solidifying metal alloys have been gained by Ashwin Shahani at the University of Michigan and colleagues. The team’s ...