Reddit mentions of Why Does E=mc2?: (And Why Should We Care?)

I personally quite like Brian Cox and Jeff Forshaw's works, Why Does E=mc^2 and The Quantum Universe which talk about relativity and quantum mechanics respectively. I found these very accessible when I was doing my A-Levels (which I think is the equivalent of American High School) and they require absolutely no knowledge of maths.

If you're more interested in Grand Unified Theories (which I assume is what you're thinking of when you talk about two forces being the same force) then the only thing that comes to mind is The Elegant Universe which I've never read personally but I have heard very good things about it. It's about String Theory which is one possible GUT theory of everything (not quite the same as a GUT, see the reply) but does cover a few other areas as well.

Another book which I've heard good things about, but again haven't read myself, is In Search Of Schrodinger's Cat which has more of a focus on quantum mechanics.

Personally I would read both of Cox and Forshaw's stuff first because they are both very short so won't take long to get through. Then you can move on to one of the others, which are both a bit longer.

If you ask nicely on /r/physics or something similar they might also be able to suggest other things you would like.

Edit: There might be a Feynman Lecture or two that interests you as well but bear in mind that these are aimed at undergrads.

Edit2: I also just did a quick google search of site:reddit.com/r/physics books which threw up some pretty good results.

Edit3: String theory n'est pas un GUT, pardon my french.

https://smile.amazon.com/dp/B002TJLF7W/ref=smi_www_rco2_go_smi_g2609328962

https://smile.amazon.com/Quantum-Universe-Anything-That-Happen-ebook/dp/B006U6IBEU/ref=sr_1_1

https://www.amazon.com/QED-Strange-Theory-Light-Matter/dp/0691024170

https://www.amazon.com/dp/B004P1JDYY/ref=dp-kindle-redirect

I would recommend those four very readable books to anyone actually interested in learning the basics of quantum and relativity without having to learn any of the math. If you can handle the Pythagorean Theorem, you can learn QM and Relativity enough to convince people on reddit you know what you're talking about. ;-)

Here's a silly but informative video about EPR:
https://www.youtube.com/watch?v=ZuvK-od647c

And the no-cloning theorem:
https://www.youtube.com/watch?v=owPC60Ue0BE

Brian Cox (popular science but surprisingly good): Why Does E=mc2?: (And Why Should We Care?)

You can get to e=mc^2 using pythagous' theorm and a helping hand from a professor.

This book does a good job of it. https://www.amazon.co.uk/dp/B002TJLF7W/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1