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[[Image:Concrete_Solar_Concentrator.jpg|right|350px]] |
[[Image:Concrete_Solar_Concentrator.jpg|right|350px]] |
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One idea is to make a concrete [[parabolic concentrator]]. For that we will make a parabolic wooden template which will be swept longitudinally through a mound of wet concrete. Sweeping once or twice would give us the parabolic shape of the concentrator. We will then let it dry and then finally we would paste [[aluminium foil]] on it. |
One idea is to make a concrete [[parabolic concentrator]]. For that we will make a parabolic wooden template which will be swept longitudinally through a mound of wet concrete. Sweeping once or twice would give us the parabolic shape of the concentrator. We will then let it dry and then finally we would paste [[aluminium foil]] on it. |
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