In this article we present selected parts of the very interesting paper “The sound effect of ancient Greek theatrical masks“, by Fotios Kontomichos, Charalampos Papadakos, Eleftheria Georganti, Thanos Vovolis. Continue reading “The sound effect of ancient Greek theatrical masks”
Study explains the Epidaurus’ theater acoustic marvel
As the ancient Greeks were placing the last few stones on the magnificent theater at Epidaurus in the fourth century B.C., they couldn’t have known that they had unwittingly created a sophisticated acoustic filter. Continue reading “Study explains the Epidaurus’ theater acoustic marvel”
The ancients knew the Earth is round; the case of Eratosthenes and the first documented measurement of the Earth’s circumference
Eratosthenes was a Greek born in Cyrene in modern-day Libya. As a mathematician, poet, athlete, geographer, astronomer, and music theorist, his vast knowledge made him an ideal fit for the post of librarian at the Museum (Library) of Alexandria. Continue reading “The ancients knew the Earth is round; the case of Eratosthenes and the first documented measurement of the Earth’s circumference”
The Archimedes Palimpsest; Mathematics way ahead of their time
Years of painstaking work by scientists to expose a manuscript hidden for nearly a thousand years have shed new light on the genius of Archimedes, antiquity’s greatest mathematician. Continue reading “The Archimedes Palimpsest; Mathematics way ahead of their time”
The astronomical orientation of the urban plan of Alexandria
Alexander the Great founded the city of Alexandria in 331 B.C. It would later become hugely prosperous, home of the Queen-Pharaoh Cleopatra, famous for its magnificent Museum (Library) and for its 450-foot-tall (140 meters) Lighthouse, one of the wonders of the ancient world. Continue reading “The astronomical orientation of the urban plan of Alexandria”
China – Beijing – Dongcheng
Here we shortly present monuments from the Dongcheng region of Beijing, China. Continue reading “China – Beijing – Dongcheng”