Sarah Azzahwa·Oct 6Revisiting my Physics Rabbit Holes: Day 1 where Questioning the Circumference of Earth to Build a…Back to physics, and began it with a weirdly specific question
Dasa·Aug 5The Genius of EratosthenesHow a Well, a Pole, and a Shadow Measured the Circumference of the Earth
Ihor Charischak·Apr 2, 2025Prelude to a ProjectBack in 1972, I came across an issue of the Mathematics Teacher in which there was an article that described one teacher’s effort to…
LinA·Dec 10, 2023Is the Piri Reis map related to the works of Eratosthenes?A fragment of a map drawn on a gazelle skin was found on November 2, 1929, at the Topkapi Palace in Constantinople. While conducting an…
PhiWhyyy!?!·Nov 27, 2023Gravitational Lensing-IV“An expert is a person who has made all the mistakes that can be made in a very narrow field” — Neils Bohr.
PhiWhyyy!?!·Nov 13, 2023Hypatia & How I asked Bard to write my blog titleIs it too late to say sorry for being absent and ghosting? Or should the compensation be regular blogs and my dying soul?-Anonymously…
Rudra Pratap Singh·Sep 19, 2023How to calculate circumference of Earth?Hello, in this blog I will show you how to calculate the circumference of the Earth from your home using the bare necessities, just like…A response icon1A response icon1
Nick Nielsen·Dec 13, 2022Work in Progress: Is there some viable form of civilization that is optimal for science?Friday 09 December 2022
Valentin·Dec 16, 2021Eratosthenes determined-around 200 BC- the diameter of the Earth. How?1. In old times people could not explain why the ships disappear over the horizon.