Daily Medieval
A daily post on the Middle Ages by Tim Shaw.
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The Walking Dead of Orderic Vitalis
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Showing posts with label
camera obscura
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Showing posts with label
camera obscura
.
Show all posts
Wednesday, September 26, 2012
The Father of Modern Optics
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For a long time, there were two competing theories about how the eyes see—both wrong. Alhazen ibn al-Haytham Aristotle believed in w...
Friday, August 3, 2012
How far are the stars?
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Rabbi Levi ben Gerson, also known as Gersonides, lived from 1288-c.1344. He was from a family of scholars: his father, Gerson ben Solomon of...
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