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12 November, 16:07

What part of the scientific method did al-hasa discover?

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  1. 12 November, 16:16
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    al-Haytham devised the world's first camera obscura, observed what happened when light rays intersected at its aperture, and recorded the results.
  2. 12 November, 16:28
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    To test his hypothesis that "lights and colors do not blend in the air," for example, Ibn al-Haytham devised the world's first camera obscura, observed what happened when light rays intersected at its aperture, and recorded the results.
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