Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...
The pilot of a solar-powered airplane on an around-the-world journey said Saturday that stopping in California's Silicon Valley will help link the daring project to the pioneering spirit of the area.
The plan is for HAP-alpha to gradually reach an altitude of up to 20 kilometers. Source (All Images) | DLR (CC BY-NC-ND 3.0) The German Aerospace Center – DLR (Cologne) announces that its ...
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