In my younger days , I had an IQ of 168 , with a very high mechanical aptitude , before I massively indulged in various recreational substances . I never studied Quantum Physics then , but when I was asked about Einstein's theory of "the faster you go , the slower you are , at light speed", never settled well with me , & neither did "String Theory". Decades latter , it still doesn't . But of course now days , I could be way off . Still an interesting subject , thanks for sharing .

Thanks for the video. I think I have seen it before but I like to see Ed WItten because he is really the father of modern string theory (M-Theory).

I am waiting anxiously for progress on this front. As far as I know we are not seeing candidates for Super Symmetric partner particles at the LHC just yet. I hope that this post will be outdated by tomorrow as I've heard rumors of somethings heavier than the Higgs but nothing beyond rumors.

I recently read a book by a proponent of Loop Quantum Gravity which is competitor to M-Theory. His criticism of String theory is that it isn't "background independent" but LQG is. I was able to understand the author's argument for why LQG was background independent but I do not understand enough of string theory to make a judgement about the authors claim that it isn't. I'm working on that and slowly working my way through Leonard Susskind's lectures on String Theory at Stanford.

An oldie but a goodie!