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Alhazen

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
Alhazen  (l-hzn)
See Ibn al-Haytham.
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Noun1.Alhazen - an Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century; established experiments as the norm of proof in physics (died in 1040)
Al-Hasan ibn al-Haytham, al-Haytham, Alhacen, Ibn al-Haytham


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Alhazen of Basra, the 10th century Iraqi scholar, had a portable tent room for solar observation and gave a full account of the principle.
Camera obscura by Chin, Jessamine / ChildArt
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