Wind energy is taking off all over again. This time, literally. In China, a multi-institute research and development project has created a series of large-scale floating turbine prototypes. The helium ...
Look up in the sky, it's a bird, it's a plane, it's ... a 20,000 cubic-meter power-generating airship, floating 6,560 ft (2,000 meters) above the ground. Introducing the S2000 stratospheric airborne ...
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