The quest to find the value of x within a circle is a common geometric puzzle. It often involves understanding fundamental ...

Diameter (d) is the distance across the circle through the center. Since the diameter passes through the center and connects ...

When working with circles it is important to recognise and be able to name different parts of the circle. A segment of a circle is an area enclosed by a chord and an arc. What is the name given to a ...

IN Sky and Telescope of September, under the heading “Saluting an Astronomer”, Joseph R. Habes has an article which describes the method adopted by Eratosthenes for measuring the circumference of the ...

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 ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

“Eratosthenes Teaching in Alexandria,” by Bernardo Strozzi. Musee des Beaux Arts, Montreal. Credit: Musee des Beaux Arts/ Public Domain Carl Sagan, the American astronomer, author, and science ...

Many pre-Socratic Greek philosophers were wrong about the form of our planet. Thales – founder of the Milesian School of natural philosophy, whom Aristotle regarded as the first philosopher in the ...

Ptolemaic Egypt is distinctive in being both the last independent Egyptian dynasty and the last Hellenistic kingdom to fall to Rome. The Ptolemies were not native Egyptians, but Greek and Macedonian ...

In Assam, the most visible risk is flooding. As per a study by the Ministry of Home Affairs, Government of India, the state ranks 2nd in the flood risk index. Assam State Disaster Management Authority ...