Videos

S1E6: Aristotelian Physics

Aristotle tried to base his physics on actual observations of the world, but due to inadequate observations and hidden assumptions, nearly all of it is wrong. He separated the cosmos into the terrestrial and celestial regions. In the terrestrial region, all matter is made of a mixture of the four Read more…

By thehopads, ago
Videos

S1E5: Aristotle (and Alexander)

Although much of what Aristotle taught is wrong, he is remembered as the Father of Science because of his method of understanding the world. He insisted that we first observe the world and compare our theories to our observations. If our theories disagree with observations, they are wrong. He catalogued Read more…

By thehopads, ago
Videos

S1E4: Eudoxus (and Plato)

After Socrates’ death, his most devoted follower, Plato, founded his famous institution of higher learning, the Academy, inspired in part by the Pythagoreans. Upon challenging his colleagues to explain the motions of the planets in terms of perfect uniform circular motion, his former student Eudoxus invented the first geometric model Read more…

By thehopads, ago
Videos

S1E3: A Whirlwind of New Ideas

After the Persian wars, the center of Greek philosophy shifted from Ionia to Athens. The man to bring Ionian philosophy to Athens was Anaxagoras, who posited that the sun and moon are just rocks that can reflect light and cast shadows. Meanwhile, Philolaus the Pythagorean suggested that the earth moves. Read more…

By thehopads, ago
Videos

S1E2: Ionian Science

After the Greek Dark Age, Greek culture was reborn, and the center of the emerging Greek philosophy was Ionia. We meet three philosophers who laid the groundwork for future scientific inquiry: Thales of Miletus, credited with looking past the Greek gods and instead thinking rationally about the cosmos. Anaximander, who Read more…

By thehopads, ago
Videos

S1E1: In the Beginning

This series is about not just what we know, but how we know it, and who figured it out. In this first episode, we begin by looking at what primitive humans thought of the universe. Most civilizations believed the earth below us was flat, with the solid, domed sky arching Read more…

By thehopads, ago