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 ... Continue reading
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
Take a bunch of oranges that are similar in size and try to pack them into a cardboard box. What is the most efficient orange arrangement so that you fit the most oranges into the box? Should you ... Continue reading
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 ... Continue reading
