Ideas Lead to Scientific Discoveries: How?

Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849. (Launching a series on Inventions that Shaped History) "How Simple Ideas Lead to Scientific Discoveries" was animated by the TED-Ed Animation Team (Jeremiah Dickey, Biljana Labovic, Celeste Lai, Kari Mulholland and Franz Palomares)