Extra History

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  • 11
  • Animation Documentary History

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47
47x1
The History of Non-Euclidian Geometry - Sacred Geometry
Episode overview
Before we get into non-Euclidian geometry, we have to know: what even is geometry? What's up with the Pythagorean math cult? Who was Euclid, for that matter? And what the heck is the 5th Postulate?
47x2
The History of Non-Euclidian Geometry - The Great Quest
Episode overview
For hundreds of years, Euclid's geometry disappeared with the fall of the Roman Empire. But in Constantinople, Islamic mathematicians, including Al-Khwarizmi (who gave us the word "algebra") worked long and hard on proving the Fifth Postulate.
47x3
The History of Non-Euclidian Geometry - Squaring the Circle
Episode overview
Euclidean geometry eventually found its way back into Europe, inspiring René Descartes to create the Cartesian coordinate system for maps, and Isaac Newton to invent calculus. Both these tools helped humanity understand the world better.
47x4
The History of Non-Euclidian Geometry - A Most Terrible Possibility
Episode overview
In the early 19th century, people started to wonder if the Fifth Postulate couldn't be proven at all--meaning that it could be right, but it could also be wrong. Bolyai, Lobachevsky, and .. show full overview
47x5
The History of Non-Euclidian Geometry - The World We Know
Episode overview
Up until the 20th century, people assumed light behaved like a wave, passing through the "aether wind"--a fluid with incomprehensible properties. When the Michelson-Morley experiment .. show full overview

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