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”

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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”

Trepanation (primitive Neurosurgery) in the Ancient Greek world

In this article we present a summary of official (published) information on trepanation in the Ancient Greek world. The word trepanation comes from the Greek word trypanon (τρύπανον) meaning trepan, or borer. It refers to the surgical procedure of creating an opening in the skull. Trephination is a more recent word and specifically refers to an opening made by a circular saw (trephine), but both terms are used interchangeably in the literature. Trepanation is a kind of primitive Neurosurgery. Continue reading “Trepanation (primitive Neurosurgery) in the Ancient Greek world”

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