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Transcript: Socrates was an enormously influential Greek philosopher even though he wrote nothing down. Socrates was not a scientist. In fact, he speculated that the most important thing to do was to understand your own thoughts and motivations. As he said, “The unexamined life is not worth living,” and he gave the Delphic injunction to “Know thyself.” Although he was not a scientist, Socrates’ questioning nature is at the heart of modern science because he believed that it was not worth taking people’s opinion just because they were senior figures in the community or your elders. His idea of questioning everything that you hear is the basis of logic in the scientific method, and it got him into sufficient trouble that he was killed for it.
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Transcript: In the year 584 B.C., on the coast of Asia Minor, two warlike tribes were engaged in a fierce battle: the Medes and the Lydains. As written by the Greek poets, these two cultures were hacking away at each other on the battlefield with burnished swords and shields, when suddenly the...
Published 07/12/11
Transcript: Thales was a philosopher who lived in the 6th century B.C. in Miletus, in what is now Turkey. No written work by Thales survives, but we know that he kept accurate eclipse records and he speculated about astronomy. He decided that the source of all things was one thing, and that...
Published 07/12/11
Transcript: The apparent motions of the stars in the night sky depend on your position on the Earth’s surface. At a northern temperate latitude, the stars rise in the east and set in the west, and they travel on slanting paths across the sky. The north celestial pole sits in the northern sky...
Published 07/12/11