Images

A bust of Roman emperor Constantius Chlorus (r. 305-306 CE) who was the father of Constantine the Great. (Vatican Museums, Rome)

A marble bust of the 4th century BCE Athenian politician Demosthenes. 2nd century CE from a Greek original by Polyeuktos c. 280 BCE. (Vatican Museums, Rome)

Mot Cot Pagoda is a pagoda in the center of Hanoi. It was built in 1049 CE by Li Thanh Tong King. The temple is constructed of wood on a single stone pillar 1.25 m in diameter, and it is designed to resemble a lotus blossom, which is a Buddhist...

A bust of Sophocles (497/6 - 406 BCE) the Greek tragic poet and author of such masterpieces of Greek Tragedy as 'Oedipus the King'. Second half of the 1st century BCE. (Vatican Museums, Rome)

The Tizoc Stone which depicts on its flat upper surface a sun-disk and around its edge a continuous frieze showing the Aztec king Tizoc and other warriors capturing deities of conquered peoples. 15th century CE. (National Museum of Anthropology...

Title page of Sir Henry Billingsley's first English version of Euclid's Elements, 1570.

A model reconstruction of the sacred precinct of Tenochtitlan, the Aztec capital on Lake Texcoco. The city was founded in 1345 CE and fell to the Spanish forces led by Cortés in 1521 CE. The sacred complex was dominated by the central pyramid...

A model reconstruction of the Temple Mayor at the Aztec capital of Tenochtitlan. In use from the 14th to early 16th century CE, the huge pyramid was topped by two temples, one dedicated to Tlaloc, the god of rain (north side), the other to...

The Aztec capital of Tenochtitlan, located on an island on Lake Texcoco in present-day Mexico. The capital was founded in 1345 CE and destroyed in 1521 CE.

The Delian Problem: finding the value of the cube root of 2