Fluid gears rotate without teeth, offering new mechanical flexibility

A team of New York University scientists has created a gear mechanism that relies on fluids to generate rotation. The ...
PureWow on MSN

The QALO QRNT slim smart ring, reviewed: It's the nudge I needed to finally get off the couch

Both the Oura Ring 4 and the QALO QRNT Slim are made of titanium, are water resistant and track heart health, stress, sleep and exercise/steps. The QALO is a bit thinner (2.2mm vs 2.8mm), costs $150 ...
IEEE

Analysis of a Novel Mechanically Adjusted Variable Flux Permanent Magnet Homopolar Inductor Machine with Rotating Magnetic Poles for Flywheel Energy Storage System

Abstract: Permanent magnet homopolar inductor machine (PMHIM) has attracted much attention in the field of flywheel energy storage system (FESS) due to its merits of simple structure, brushless ...
The Autopian on MSN

The most complicated new engine has three cylinders, a rotating block, a stationary head, and is shaped like a circle

Most of the internal combustion piston engines built for vehicles throughout history have pretty familiar core designs. The ...
IEEE

Combined Effect of Short Rise Time and Relative Humidity on the Partial Discharge Inception Mechanism in Rotating Electrical Machines Insulation

Abstract: Electrical machines (EMs) operated on high-voltage dc buses for contemporary transportation applications are significantly exposed to the risk of partial discharge (PD). The inception ...