Back when I was studying at Princeton University, J.A. Wheeler introduced me to Ed Witten while we were having lunch at the Institute for Advanced Study (IAS). I knew Feynman’s and Wheeler’s views on “String Theory,” and I had looked into it a bit as a field of research, but I couldn’t seem to find any actual equations reflecting physical entities. And so I took the opportunity to ask Ed Witten what the actual equations were.(adsbygoogle = window.adsbygoogle || []).push({});

He smiled at first, thought about it, and said there weren’t really any, yet.

“When do you think you might get some I asked?”

He wasn’t smiling after that.

So I was wondering if they had since found any? If the answer is “yes,” please do provide the equation (or equations) as I would love to see the math which I have heard is beuatiful! :) Also please provide the physical entities it refers too. Thanks! :)

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# A Does String Theory have any equations yet? I chose not to...

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