Roger Bacon · Science

Optics and Light: The Geometry Made Visible

Bacon&rsquo;s <em>Perspectiva</em> (Part V of the <em>Opus Majus</em>): his study of light, lenses, the anatomy of the eye, and the rainbow, built on the great optics of Ibn al-Haytham (Alhazen), which Bacon helped transmit to the Latin West - including his prophetic note that a curved glass could help failing eyes read.

What you'll be able to recall

You learned that Bacon&rsquo;s Perspectiva transmitted Alhazen&rsquo;s optics to Latin Europe, treated light as the clearest case of the geometrical &lsquo;multiplication of species,&rsquo; studied the eye, the burning-glass, and the rainbow (measuring its angle), and described how a convex glass magnifies letters for…

Leads to Ibn al-Haytham.

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