Eratosthenes' Calculation of the Earth's Circumference s
An illustration showing Greek scientist Eratosthenes' method for calculating the circumference of the Earth. By measuring...
Euclid of Alexandria (lived c. 300 BCE) systematized ancient Greek and Near Eastern mathematics...
Euclid of Alexandria
An illustration of Euclid of Alexandria, the 4th century BCE mathematician.
The mathematicians of ancient Greece made a hugely significant contribution to world thought and all practical subjects...
A Roman period sundial of the Greek hemispherical type. (Archaeological Museum of Piraeus)
Hipparchus of Nicea by Raphael
A detail from Raphael's 'The School of Athens' (c. 1509 CE) showing Greek astronomer, mathematician and geographer Hipparchus...
How taking a bath led to Archimedes’ Principle - Mark Salata
Stories of discovery and invention often begin with a problem that needs solving. Summoned by the king to investigate...
Intihuatana Stone, Machu Picchu
The Intihuatana Stone or 'Hitching Post of the Sun' at Machu Picchu in the High Andes. The stone was used by Inca priests...
Machines Of Ancient China
An excellent video, under 45 minutes long, on the ancient machines of China. A very good resource for anyone doing...
Mathematics in Ancient Egypt: A Contextual History
Mathematics in Ancient Egypt traces the development of Egyptian mathematics, from the end of the 4th millennium BC...