Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Imagine an engine that's 30 percent smaller than a traditional piston design of like output, and that runs smoothly, with less noise and vibration. Plus, it burns several types of fuel. That's the ...

While most people might know rotary engines for their use in cars, a pair of companies made use of them in chainsaws — and ...

Clarian Lab's new generator is a gas-powered battery. That might sound backward in today's world of hybrid cars, but it actually turns out to be a pretty clever device. The Hybrid Battery is small, ...

The Union Water Meter Company was established in 1868, by Phinehas Ball, a hydraulic engineer who had worked on the design and construction of the Worcester Water Works, and a local mechanic named ...