How do we know Earth's circumference?

Опубликовано: 22 Июль 2026
на канале: Howtown

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To accurately measure the Earth, you have to accept one maddening fact.

WELCOME TO HOWTOWN! Our small but mighty team of two (Joss Fong and Adam Cole) digs into the evidence behind commonly held facts and claims in the news.

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SOURCE LIST:
https://docs.google.com/document/d/1q...

BOOKS!
“The Measure of All Things” by Ken Alder chronicles the process of creating the meter.
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“The Measure of the Earth” by Larrie D. Ferreiro follows the bizarre and hapless French Geodesic Mission to the equator
  / measure-of-the-earth

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Chapters:
00:00 Simone’s question
00:51 Eratosthenes measures the earth
02:57 our experiment
04:19 results
05:34 enlightenment punks
07:05 the ellipsoid visualized
07:46 proving the ellipsoid
08:59 geodesy
11:44 the satellite era
13:37 awkward corrections
14:06 credits