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.