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Ibn al-Haitham.
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[quote]The ancient Greeks thought our eyes emitted rays, like a laser, which enabled us to see. [font=Century Gothic][blue]The first person to realise that light enters the eye, rather than leaving it, was the 10th-century Muslim mathematician, astronomer and physicist Ibn al-Haitham. He invented the first pin-hole camera after noticing the way light came through a hole in window shutters. The smaller the hole, the better the picture, he worked out, and set up the first Camera Obscura (from the Arab word qamara for a dark or private room). He is also credited with being the first man to shift physics from a philosophical activity to an experimental one.[/font=Century Gothic][/blue][/quote]
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