I'm sorry I couldn't hear you over all the advanced tech keeping us all alive. Please continue.
String theory is not fact. Currently accepted theories in physics are relativity and quantum mechanics. You know the shit running the computer you typed that insightful comment on and the fibre optics that brought your great wisdom to me.
Not even mathematicians have a clue what we are talking about (apart from 'abstractions' which relate very little to the world we live in).