Some see string* theory as the one great hope for a theory of everything – that it will unite quantum mechanics and gravity and so unify all of physics into one glorious theory.
https://youtu.be/iTTa9YcTe1k* guNa m. ( %{grah} Un2.) a single thread or strand of a cord or twine (e.g. %{tri-g-} q.v.) ,
string or thread , rope [...] (in S3a1m2khya phil.) an ingredient or constituent of Prakr2iti , chief quality of all existing beings (viz. %{sattva} , %{rajas} , and %{tamas} i.e. goodness , passion , and darkness , or virtue , foulness , and ignorance ;