Measuring Earth Circumference With Just A Stick

Measuring Earth Circumference With Just a Stick 😳

How Eratosthenes calculated the Earth's circumference

Business Insider

Measuring Earth's circumference with a stick (in 245 BC)

Carl Sagan explains how Eratosthenes calculated circumference of the Earth

How did Eratosthenes calculate the circumference of the Earth?

He measured the size of the Earth using two sticks.

Just one stick can calculate the circumference of the earth of ancient people - Discovery Channel

Discovery Channel

How to Measure Earth?

Saturday Morning Astrophysics at Purdue

Shadows can help measure Earth’s circumference! 🌍

How to measure earth's circumference in one stick

Unknown Mystery

Amazing Idea behind the Measurement of Earth Circumference. #brainhook #engineering

BrainHook Animation

Using 2 Sticks to Calculate the Circumference of the Earth - Astrobreaks with Spaceman Steve

Calculating The Circumference Of The Earth (Mr. Wizard)

Official Mr.Wizard's World Channel

Science at home Episode 17 - Measuring the Circumference of Planet Earth!!

Midlands Science

Measuring the Earth 🌎

How to Measure the Earth's Circumference

Physics Almanac

How I Proved the Earth is Round (with my Bike and Two Sticks)

The Man Who Measured the Earth

Finding the circumference of the earth using a stick and some shadows

Randall Deschler

How Eratosthenes Measured the World with a stick