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[Brilliant Blog] Calculating the Size of the Earth: the Ancient Geometric Method

Main post link -> http://blog.brilliant.org/2013/01/06/calculating-the-size-of-the-earth-the-ancient-geometric-method/

Brought to you by popular demand from the comment chain beneath the blog post.

Feel free to share your thoughts on the Ancient Greek method of deriving an arc of the Earth's circumference from from the Sun's shadows.

Note by Peter Taylor
4 years, 7 months ago

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