You are here: Home › Post Tagged with: "Alexandria"

Alexandria

mathematics
Eratosthenes and the Circumference of the Earth

Eratosthenes and the Circumference of the Earth

Harald Sack
Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the terminology used today. He is best known for being the first person to calculate the circumference of the Earth. “Eratosthenes of Cyrene, employing mathematical theories and geometrical methods, discovered from the course of the sun the…
Read more
mathematics
Diophantus of Alexandria – the father of Algebra

Diophantus of Alexandria – the father of Algebra

Harald Sack
Probably sometime between AD 201 and 215, Alexandrian Greek mathematician Diophantus of Alexandria was born. He is often referred to as the father of algebra. He is the author of a series of books called Arithmetica, many of which are now lost, which deal with solving algebraic equations. Diophantus was the first Greek mathematician who recognized fractions as numbers; thus he allowed positive rational numbers for the coefficients and solutions. The name…
Read more
physics
Hero of Alexandria and his Amazing Experiments

Hero of Alexandria and his Amazing Experiments

Harald Sack
Hero of Alexandria was a Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt in the first century AD. He is considered the greatest experimenter of antiquity. Among his most famous inventions was a windwheel, constituting the earliest instance of wind harnessing on land, as well as the well recognized description of a steam-powered device called an aeolipile. The Problem with the Date A major difficulty…
Read more
Relation Browser
Timeline
0 Recommended Articles:
0 Recommended Articles: