I read about how Eratosthenes calculated the circumference of the Earth and I knew that I had to try it myself. By just holding up a yardstick at solar noon in two states I was able to get a fairly accurate measurement of the circumference of the Earth.
Thank you so much for watching this video! If you would like to suggest a video idea please leave it in the comments, and if you enjoyed please like and subscribe! It was my pleasure to add a bit of science to your day!