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 ...
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 ...
Engineers in Japan have developed a new kind of wind turbine meant to withstand typhoon winds and rain without breaking down. Instead of using conventional blades, the turbine looks more like an egg ...
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