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How Simple Ideas Lead to Scientific Discoveries

In this short video Adam Savage, of Mythbusters fame, walks through two interesting examples of profound scientific discoveries that came from simple, creative methods anyone could have followed: (1) Eratosthenes' calculation of the Earth's circumference around 200 BC and (2) Hippolyte Fizeau's measurement of the speed of light in 1849. Simple ideas can lead to complex understanding.