Combining wind turbines with wave, solar and tidal devices on shared platforms reduces construction costs, improves stability and generates more reliable power, according to researchers from the ...

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 ...