Ancient Architects Official on MSN

Ancient people knew Earth was round without leaving the ground

The idea that people needed modern science to know Earth was round is not true. Eratosthenes worked it out in the 3rd century ...
London Review of Books

Pharaoh in all but name

When he was asked whether he also wanted to see the tomb of the Ptolemies, Octavian replied: ‘I came to see a king, not ...
Greek Reporter

Measuring the Earth: Greek Students Recreate Eratosthenes’ Historic Experiment

On Friday, March 20, 2026, the day of the vernal equinox, students across Greece will participate in a nationwide educational initiative that revives one of the most remarkable experiments in ...
Nature

Cyrene: Birthplace of Eratosthenes, 276–196 B.C

THE advance of the Imperial armies to Cyrene recalls the time when that city was a home of learning and the capital of Pentapolis, a tract of country containing the five cities Cyrene, Arsinde, ...
CNN-News18

Every Time You Open GPS, You Are Using A 2,000-Year-Old Idea

Did you know that every time you open a map app or check the weather, you are using a science that began thousands of years ago? Geography is not just about countries and capitals. It helps us ...
ancient-origins

How did the Greeks Measure the Earth’s Circumference?

It is considered obvious today that Earth is roughly a sphere and that it can be measured like any spherical object. Scientists technically call it an oblate spheroid, but it is still sphere-like in ...
CNN

Earth is spinning faster, leading timekeepers to consider an unprecedented move

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...
Greek City Times

Eratosthenes, the Ancient Greek mathematician who calculated the Earth's circumference

He was a Greek mathematician and the head librarian at the Library of Alexandria who made history over 2200 years ago with a simple yet ingenious experiment. Eratosthenes became the first person to ...
IEEE

Enhancing Earth Observation Capabilities of the Eratosthenes Centre of Excellence on Disaster Risk Reduction Through Artificial Intelligence: Introducing the AI-OBSERVER Project

Abstract: This paper aims to introduce the concept and objectives of the recently funded AI-OBSERVER Horizon Europe Twinning project titled “Enhancing Earth Observation capabilities of the ...
Ekantipur

Ancient Greek and Hindu Astronomers Discuss Earth

It is said that in ancient India, Rishi Muni discovered the method of measuring the motion of the sun, moon, planets and constellations. Based on that, the method of extracting time and date has been ...
Time

Earth Is Temporarily Getting a Second 'Moon'

A partial eclipse of the full Harvest moon is seen over downtown San Diego from Humphreys Concerts By the Bay on September 17, 2024 in San Diego, California. Reporter Starting next week, the moon, ...