The First Time Humans Measured the Earth
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YouTubeAI Histories
The First Time Humans Measured the Earth
Over 2,000 years ago, Eratosthenes made one of the most incredible scientific discoveries in history. Using only shadows and basic geometry, he calculated the circumference of the Earth with surprising accuracy. No satellites. No modern tools. Just pure logic. #aihistories #history #documentary #historical #science #eratosthenes #ancientgreece ...
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