I’ve had a surprising number of comments telling me the Earth is flat. 50. 50 comments telling me the earth is Flat. And ...

It was around 250 BCE when Eratosthenes was a librarian in the famous library of Alexandria He discovered in his reading that there was a yearly festival in the town of Syene (modern Aswan) on June 20 ...

The program calculates prime numbers based on Eratosthenes's algorithm. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Eratosthenes, Eratosthenes von Kyrene, griechischer Gelehrter und Schriftsteller, *um 284 v.Chr. Kyrene (heute Schahhat, Libyen), † um 202 v.Chr. Alexandria; einer der bedeutendsten Astronomen und ...

Eratosthenes, von Kyrene, griechischer Gelehrter, geb. um 284/274 v. Chr. Kyrene, gest. um 202/194 v. Chr. Alexandria. Er studierte in Alexandria, war später in Athen und dann als Leiter der ...