Roger Bacon – Medieval science
Roger Bacon's diagram of a human eye When did Roger Bacon live? Roger Bacon was born in England maybe about 1210 AD. It was late in the reign of King John. (That's the one [...]
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What is a camera obscura? – Chinese Science
What is a camera obscura? This is a large camera obscura: a dark room with an image projected into it. Who invented the camera obscura? The Chinese philosopher and scientist [...]
