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Sunday, December 23, 2018

086 - Early Astronomy

In this episode, part four of five on a series on Greek philosophy, mathematics, and science in the 5th century BC, we describe the earliest astronomical observations and calculations in ancient Mesopotamia and Egypt and their influence on ancient Greek astronomy; the various planets and star constellations found in Greek literature, as well as the origins of the Zodiac; the earliest Greek astronomical speculations of the universe found in Greek mythology (Homer and Hesiod) and in Pre-Socratic philosophy; the Pythagorean model of the universe put forward by Philolaus; and the astronomical calculations made by Oenopides and Meton



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Sunday, December 9, 2018

085 - Mathematics and Early Pythagoreans

In this episode, part three of five on a series on Greek philosophy, mathematics, and science in the 5th century BC, we describe the lives, influences, and various theories and discoveries made by Greece's earliest mathematicians, including Thales, Pythagoras, Hippasus and the early Pythagoreans, Oenopides, Hippocrates, Antiphon, Bryson, Democritus, and Theodoros


File:Thales Theorem 6.svg
File:Pythagorean.svg
File:Monad.svg
File:First six triangular numbers.svg
File:Tetractys.svg
File:Square root of 2 triangle.svg
File:Hipocrat arcs.svg
File:Lune.svg
File:Cube and doubled cube.svg
File:Neusis-trisection.svg
File:Escargot pythagore.png