“We invented new types of gears that engage by spinning up fluid rather than interlocking teeth—and we discovered new ...

From the chariot wheels crossing the Gobi Desert in 3,000 BCE to the intricate bronze clockwork of the Antikythera mechanism ...

The causes of gear failure are diverse yet preventable—even tooth degradation and lubrication contamination. Following these ...

Advanced polymers let designers replace metals in large, complex gear sets that can carry heavy loads and survive harsh environments. Plastic gears have had a successful run in automobiles, appliances ...

CNC is a universal language, but machine builders still require programming expertise to make their systems achieve optimal performance. Automation experts at NUM helped a Chinese machine builder, ...

The flow of optical power in and around the seven-nanoparticle "gear" of the optical matter machine. Courtesy: N Scherer A new device that converts laser light into mechanical work could be used to ...