Quellen:
https://en.wikipedia.org/wiki/String_theory#:~:text=In%20physics%2C%20string%20theory%20is,and%20interact%20with%20each%20other.
https://www.youtube.com/watch?v=Da-2h2B4faU
https://www.youtube.com/watch?v=TI6sY0kCPpk