I'm organizing a global experiment among schools (primarily; anyone can participate) to calculate Earth's radius every equinox. It had a great test run last March between my school in Pennsylvania and another one in Germany. bsky.app/profile/them...
Math teachers! I have your lesson plan for the next equinox...Monday, September 22.
Join a global experiment to calculate Earth's radius! youtu.be/myvEWdLU_1E #iteachmath #math #maths #teach