2625 Feet Tall! Solar towers, which are kind of big funnels that generate electricity by using the fact that hot air rises, are too often forgotten when we discuss solar energy. Solar PV and CSP get all the press, but solar towers
The power provided by the versatile PowerPot can be use to charge your phone, or indeed any small device that requires a charge.
Concentrating the sun's ray onto solar photovoltaic (PV) modules requires walking the fine line between optimizing power output and not literally melting your very expensive super-high-efficiency solar cells.
http://www.devicedaily.com/environment/flodesigns-revolutionary-wind-turbine-cheaper-and-more-efficient.html Jet engine inspired FloDesign boosts wind turbin...
This basic off-grid solar system is simple to install and can be easily expanded...
Innovative 3-D designs from an MIT team can more than double the solar power generated from a given area.
We built a 1000 watt wind turbine to help charge the battery bank that powers our offgrid home. It's a permanent magnet alternator, generating 3 phase ac, rectified to dc, and fed to a charge controller. The magnets spin with the wind, the coils are ...
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A new turbine design, with wooden blades, is powered by wind coming from any direction.
The Spiral Pump by Peter Tailer: high lift, slow-turning stream-powered water pump
The Previous Record was 17.6%Scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have made flexible solar cells made of copper indium gallium selenide (CIGS) with a light-conversion efficiency of 18.7
hydrogen wind energy offshore turbines alternative ocean ship
143 meters tall, rising above the crowd in Central London, Strata SE1 (or