Ibn al-Haytham Locks Himself in a Dark Room
In Cairo around 1020, a disgraced engineer under house arrest built a dark chamber with a pinhole and proved how vision works. Rania walks through the experiment that founded optics.
Sample the first 60 seconds free. Sign up free or log in to hear the whole episode.
Abu al-Qasim al-Zahrawi practised in Cordoba in the late 900s and wrote the Kitab al-Tasrif, a medical encyclopaedia in thirty volumes. The last volume, on surgery, is illustrated with around two hundred instruments and was the standard European surgical text for five centuries. Rania picks the pages that matter most.
Manuscript images are on the episode page with permission of the Bodleian Library.
In Cairo around 1020, a disgraced engineer under house arrest built a dark chamber with a pinhole and proved how vision works. Rania walks through the experiment that founded optics.