Scientists at the German Aerospace Center have built a plane with an electric motor that runs on a hydrogen-powered fuel cell. They have dubbed the four-seater twin-fuselage plane 'Hy4'.
Scientists in Germany have launched their massive "Synlight" device, billed as the largest artificial sun in the world. The researchers hope that the rig will help them synthesize hydrogen for fuel.
Air travel is bad for the climate - but it doesn't have to be. Climate-friendly flight routes and renewable jet fuel could make flying in planes way more environmentally friendly - this would just need to be implemented.
In a way, Otto Lilienthal gave wings to mankind, and not without making the ultimate sacrifice. On August 9, 1896, he crashed and died. But why?
He started his career as a printer and socialist boy scout. Then he became a fighter pilot, cosmonaut and political icon. After communism Sigmund Jähn remained dedicated to space exploration and science.
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