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School III · Lesson 11 of 15

Number: The Language of Order

Core idea: from ancient Greece to modern physics, people have found that the world follows patterns that numbers can describe.

The Universal OrderAbout 15 minutes

The Lesson

Around the 6th century BCE, the followers of Pythagoras made a discovery that changed how people saw the world. They noticed that musical harmony follows simple number ratios:

Halve a string and it plays the same note an octave higher. Something that feels beautiful to the ear turned out to be a simple fraction. The Pythagoreans were so struck that they're remembered for the saying "all is number."

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The Universal Order

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