String Theory: The basic idea in under 3 minutes, with @brian_greene111. . What's smaller than an atom? Okay, how about a neutron? A quark? String theory might have the answer to that question. Find out how in this clip from "Loose Ends: String Theory and the Quest for the Ultimate Theory," and watch the full program at the link in our bio ⬆️ . . . . . . . . #science #stringtheory #understand #learn #learning #briangreene #facts #lesson #animation #design #video #info #sciencefacts #strings #universe #cosmos #question #answers #theory