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79Free and Easy DIY Parabolic Solar Concentrator Plan
by greathub
Find out about how to make a parabolic solar concentrator for FREE right here. This web page describes in detail each and every step in making a solar concentrator. published 3 months ago
61Pedal Powered Electricity Generator
by greathub
We all need great amounts of electricity to spend our lives easily. Electricity is generally generated using fuels that pollute the environment. We should look at each and every way possible to generate... published 3 months ago
59A Guide to UFOs
by greathub
UFOs have been a source of great mystery for a long time. There have been UFO sightings dating back to previous century. Some even claim that man has known the presence of UFOs for thousands of years. Why... published 6 months ago
53Want to save money? Try Energy Conservation!
by greathub
World, in general, and developing countries in particular are facing serious power shortages. Since sudden increment in pwer is not possible we can resort to energy conservation. This is the best we can do to... published 3 months ago
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