In many arid regions, people use devices known as solar stills to extract drinkable water from seawater or tainted water. A new type of solar still is claimed to be much more effective than others, by ...

February 2, 2006 UK-based RCV Engines is best known globally for its range of model aircraft engines but the unveiling yesterday of a prototype 125cc Rotating Cylinder Valve (RCV) scooter engine could ...

On 19 November 1924, a ship slowly manoeuvred through the Port of Kiel. On board were Ludwig Prandtl and Albert Betz from the Aerodynamic Research Institute (AVA) in Göttingen – a predecessor of today ...

We’ve reported on a lot of innovative diesel parts, concepts, and theories that have been introduced in the last decade, with various engine blocks, cylinder heads, turbochargers, and injection ...

Rotating-cylinder wing leading-edges that could enable very slow, low-noise descents will begin computational fluid dynamics studies this month. The rotating cylinder adds momentum to the boundary ...