Porcupines' quills, or spines, take on various forms, depending on the species, but all are modified hairs coated with thick plates of keratin, and embedded in the skin musculature.
Produce up to 400-Watt of power for free in your own back yard. The wind turbine will produce more power up to 400-Watts at 28 mph. If the wind dies down the turbine will continue to produce power in winds as low as 5.6 mph. This wind generator is used to charge 12-Volt batteries and mounts on any 1.5 in. Schedule 40 pipe.
Turbines will be used to force air which is heated by the sun through a 2,600 foot chimney in order to generate huge amounts of natural power. It is estimated that more than one million megawatt hours will be produced by the huge building, providing enough electricity to power 150,000 homes.