The Babylonian Chaldaeans’ antiquity, according to Diodorus Siculus

But to us it seems not inappropriate to speak briefly of the Chaldaeans of Babylon and of their antiquity, that we may omit nothing which is worthy of record. Continue reading “The Babylonian Chaldaeans’ antiquity, according to Diodorus Siculus”

The genius of Archimedes; Sun-focusing mirrors and Steam cannons – The legend tested by modern Science

This post is a summary of information on two legendary inventions of Archimedes, the ancient Greek mathematician and engineer; the Sun-focusing mirrors and the Steam cannon, both used to defend Syracuse from the Romans. Science has tested whether or not inventions like these were possible (and, to what extent, effective) back then. Continue reading “The genius of Archimedes; Sun-focusing mirrors and Steam cannons – The legend tested by modern Science”

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”

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