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3 - Physics Conundrums And The Big Picture | Sean Carroll

This has got to be one of my all-time favourite conversations. CalTech cosmologist Sean Carroll and I sat down over Skype and spent an hour chewing through some of the deepest questions of physics.. and then some! Things like.. Why does time run forward? Is matter fundamentally made of particles or waves? (Hint: It's waves. Waving fields, like stretched rubber sheets.) How can we understand the bizarre symmetries of the nuclear forces? What's the right interpretation of quantum mechanics,...