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2014-07-27T17:16:50+05:30

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Haytham discussed concave and convex mirrors in both cylindrical and spherical geometries, carried out a number of experiments with mirrors, and solved the problem of finding the point on a convex mirror at which a ray coming from one point is reflected to another point. 
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2014-07-27T17:27:48+05:30
spherical mirrors were once made up plastic, it was used to point towards to the opponent war teams (: then they changed, as what we see then today (:.
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