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74How to harness Sun's energy by making a solar concentrator
by greathub
A solar reflector can be made very easily. The beauty of a parabolic reflector is that you can concentrate parallel rays of sun on a praticular point. It can be used for various purposes. It has applications... published 3 months ago
59Energy Conservation
by archvision
Alternative Energy Sources Before talking about Alternative Energy Sources, I would like to underline the need for shifting to these energy sources. At present, most of our energy needs are fulfilled by... published 10 months ago
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