Sabtu, 24 Desember 2011

solar energy : Wind and Solar Power Center Part 1

Putting the wind turbine charge controllers, the FlexMax solar charge controllers and re-arranging the board for the new 24v 5Kw inverter plus the new automatic transfer panel from

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wind power: Wind Power: 20 Projects to Make with Paper

Wind Power: 20 Projects to Make with Paper

List Price: $24.95



List Price: $24.95
Your Price: $16.47-
A beginner's guide to wind power and an invitation to experiment with wind and its potential as an energy source. Wind-powered generators are now used worldwide as a reliable source of

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wind power: Wind Power Generator Set

Wind Power Generator Set

List Price: $48.20

Special "loop wing" design secures high efficiency in power generation, by ensuring that even a minimum amount of wind will produce quick rotation of windmill.2 types of gears allow choice of double gear for light wind, and triple gear for stong wind, improving power generated

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Rabu, 21 Desember 2011

smart energy : 5. The Electric Potential and Conservation of Energy

Fundamentals of Physics, II (PHYS 201) The law of conservation of energy is reviewed using examples drawn from Newtonian mechanics. The work-energy theorem is derived from first principles and used to initiate a discussion of the vector calculus underlying the

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solar heat: Radiometer

Radiometer

List Price: $11.99

Vanes in the Radiometer are alternately dark and light in colorVanes transfer heat to each one but not at the same degreeLighter vane reflects the rays and the darker vane absorbs the raysFor ages 7 and

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solar heat: Hydrofarm MT10006 9-by-19-1/2-Inch Seedling Heat Mat

Hydrofarm MT10006 9-by-19-1/2-Inch Seedling Heat Mat

List Price: $31.99

Seedling heat mat for better veggie, herb, and flower seed germinationWarms root area 10 to 20 degrees over ambient temperatureIncreases the success of seedlings and cuttingsUL listed, waterproof construction retains moisture for optimal safetyIncludes 6-foot

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Selasa, 06 Desember 2011

photovoltaic: Lab-Aids Investigating Photovoltaic Cells Classroom kit

Lab-Aids Investigating Photovoltaic Cells Classroom kit

List Price: $170.00



List Price: $170.00
Your Price: $170.00-
Kit, Educational; Lab-Aids; Transform solar energy into electrical energy; Investigating photovoltaic cells and solar energy as an example of renewable energy source; Discuss the advantages and disadvantages of

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