Though the exact length of a "stadia" is unknown, his measurement is thought to be accurate to within one percent of the ...

Do you know how to measure the diameter of the earth? No? Then you’re less advanced than they were in 230 BC. You’re basically a Neanderthal with access to a microwave. Find out how to fix that in ...

Born around 276 B.C. in Cyrene, Libya, Eratosthenes soon became one of the most famous mathematicians of his time. He is best known for making the first recorded measurement of the Earth’s ...

Most everyone turns to Google to find the Earth’s circumference. But Eastchester High School astronomy teacher Zack Berbit challenged his class to find the distance around our planet themselves by ...

Science teachers in a summer physics class at Southeast Missouri State University relied on shadows Thursday to calculate the Earth's circumference during the summer solstice, the longest day of the ...

CC0 Usage Conditions ApplyClick for more information. About two thousand years ago, a Greek scholar named Eratosthenes used some sticks, shadows and math to calculate the circumference of the Earth.

IN 240 BC, it took all of Eratosthenes’s ingenuity to estimate the circumference of the Earth within 10 per cent of the correct value. But students today can achieve a comparable level of accuracy ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Every once in a while, a hoax or claim that's so spectacularly absurd ...

WAYZATA, Minn. (WCCO) --When a Twin Cities man sets a goal, he goes the distance, showing that taking it one step at a time is the way to accomplish a monumental feat. Dick Cottrell, 68, lives at the ...