Origins Of The Meter
Mathematics / History
The origins of the meter go back to at least the 18th century. At that time, there were two competing approaches to the definition of a standard unit of length. Some suggested defining the meter as th continue reading this fact

What Is The Pythagorean Theorem?
Mathematics / Geometry
Pythagoras was a famous Greek mathematician. He was particularly interested in the properties of triangles, and discovered a simple, fundamental relationship between the lengths of the sides of right continue reading this fact

Eratosthenes Measured Earth’s Circumference—Centuries Before Columbus Sailed
Mathematics / Geometry
Eratosthenes (c. 276 – 194 BC) was born more than 2200 years ago in the Greek city of Cyrene, now a city in the North African country of Libya. (The Greek Empire surrounded much of the Mediterranean S continue reading this fact
