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Sabtu, 18 Juni 2011

wind generators: PicoTurbine Whirlybird 3-Phase Wind Turbine Kit

PicoTurbine Whirlybird 3-Phase Wind Turbine Kit

List Price: $99.95

Fully functional 3-Phase wind turbineCompletely hands on experience teaching every fundamental aspect of how electricity is harnessed from wind powerRoof Ventilator not included

List Price: $99.95
Your Price: $99.95-
Imagine creating a 3-phase wind turbine from a common, everyday roof

wind generators: DEX Products Sound Sleeper SS-01

DEX Products Sound Sleeper SS-01

List Price: $24.95

24 different sound combinationsCalms baby to sleep with a wide variety of nature's soundsPortable sizeHome power adapter included, or use with 4 AA batteries (not included)Headphone jack included (headphones not included)

List Price: $24.95
Your Price: $24.48-
Dex Products Sound

photovoltaic: Thames & Kosmos Solar Power Plus

Thames & Kosmos Solar Power Plus

List Price: $79.99

Gigantic photovoltaic's science labBuild your own solar powered creations and discover how solar cells generate electricityAssemble 22 modelsPower the models you build with the solar panels outside on a sunny dayThis kits teaches basic concepts in solar energy

List Price: $79.99
Your Price: $59.99-

wind farm: Wind Turbine Technology (Renewable Energies)

Wind Turbine Technology (Renewable Energies)

List Price: $106.95

List Price: $106.95
Your Price: $88.70-
Wind energy is a rapidly growing and the demand for trained technicians is high. WIND TURBINE TECHNOLOGY, is a comprehensive and well illustrated book on the theory and operations of wind turbines