PGaccount
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are open strings like world lines? and closed strings like loops?
Exploring String Theory: Open and Closed Strings
- Context: High School
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Spinnor
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PGaccount
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Is this the point of view in Green, Schwartz, Witten superstring theory volume 2?
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Heh heh! I wanted to know where that picture of string shapes came from. Clicking on the Google search link produces the first hit being this very page. LOL!