Even though I'm not a big fan of string theory, this is new video put out by Sean Carroll on the topic of dimensions and string theory that I really enjoyed. He starts out discussing the topic of dimensions with a kid (Hank Goldstein) and eventually works his way up the educational ladder to discussing the topic with another expert on string theory, Clifford Johnson. The first conversation was heart warming, and the last one is a bit mind numbing, but all the conversations were interesting to watch. Hank is great.
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