3min chapter

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#214 – Jed Buchwald: Isaac Newton and the Philosophy of Science

Lex Fridman Podcast

CHAPTER

The Sun Is a Circle, Is a Circle?

He was by this time, even though he's very young, a very good mathematician. He could use the then known laws for how light behaves when it goes through glass to calculate what should happen. This led him to a very different conception of light indicating that there are different types of light in the sunlight. It turns out that when you twiddled the prism around, at the point where you should get a circle from a circle, it also is the place where the image does not move very fast.

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