rich1.0fry (npub1qr…ezjey)https://nostr.ae/npub1qr277h2lawvgwyvq6hx3cz8kgxg5a3d5zvqn6p6cjn6v3rzsf2aq2ezjeynjumphttps://nostr.aeI'd love to recreate Eratosthenes famous experiment sometime. The one where he was able to (fairly) accurately estimate the circumference of the earth. https://www.scientificamerican.com/article/measure-earths-circumference-with-a-shadow/