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Archimedes died during the siege of Syracuse, when he was killed by a Roman soldier despite orders that he should not be harmed. Cicero describes visiting Archimedes' tomb, which was surmounted by a sphere and a cylinder that Archimedes requested be placed there to represent his most valued mathematical discovery.
212 BCE – Archimedes was killed during the Siege of Syracuse by a Roman soldier despite orders that he should not be harmed. 207 BCE – Chrysippus is said to have died from laughter after giving wine to his donkey and seeing it attempt to eat figs. 52 BCE – Lucretius is alleged to have killed himself after being driven mad by taking a love ...
Eratosthenes made several important contributions to mathematics and science, and was a friend of Archimedes. Around 255 BC, he invented the armillary sphere . In On the Circular Motions of the Celestial Bodies , [ 13 ] Cleomedes credited him with having calculated the Earth's circumference around 240 BC, with high accuracy.
Archimedes is purported to have invented a large scale solar furnace, sometimes described as a heat ray, and used it to burn attacking Roman ships during the Siege of Syracuse (c. 213–212 BC). It does not appear in the surviving works of Archimedes and there is no contemporary evidence for it, leading to modern scholars doubting its existence.
The relatively few copies of Archimedes' written work that survived through the Middle Ages were an influential source of ideas for scientists during the Renaissance and again in the 17th century, [131] [132] while the discovery in 1906 of previously lost works by Archimedes in the Archimedes Palimpsest has provided new insights into how he ...
Archimedes' insight led to the solution of a problem posed by Hiero of Syracuse, on how to assess the purity of an irregular golden votive crown; he had given his goldsmith the pure gold to be used, and correctly suspected he had been cheated by the goldsmith removing gold and adding the same weight of silver.
UnitedHealth Group held its first earnings call since the shooting of its insurance executive last month.UnitedHealthcare CEO Brian Thompson was killed outside of an investor day meeting in New ...
The Archimedes Palimpsest is a parchment codex palimpsest, originally a Byzantine Greek copy of a compilation of Archimedes and other authors. It contains two works of Archimedes that were thought to have been lost (the Ostomachion and the Method of Mechanical Theorems) and the only surviving original Greek edition of his work On Floating ...