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On String Theory from a String Theorist

Bret Underwood, a friend of mine from my time in Madison, WI, saw my post on String Theory, and took issue with my statement that it wasn’t testable. I’m still standing behind what I said, but let’s address what Bret has to say. I don’t understand your argument above for why string theory is untestable.…

Q & A: On String Theory

Over the past few months, I have been asked a number of questions about String Theory and the Universe, including from readers Benhead and Mastery Mistery. But now Jamie, whom I’m going to marry later this year, has been asking me about it, and so it’s time to write something about the scientific topic of…