what is the hardest concept to understand in physics in general? all areas?

Question

i am just trying to understand general and special relativity at the moment and i am struggling a little and i was just wondering how harder, if so, will physics get?

Answer 1

Try this one.



What is nothing?



Is it black? White? It can't be empty, because that would imply that there were space to be empty, and if there's space, then it's not nothing.



Yeah. Try to contemplate complete "nothing" as in, what was here before the Universe, or what is the Universe expanding into?



That's the quick one that trips my mind.

Answer 2

Einstein though that there were 12 people who understood General Relativity, when he was still there to explain it.



But Richard Feynman - one of the prime movers of Quantum Mechanics - often quipped that "No one understands Quantum Mechanics."



But QM is not conceptually difficult in the way GR is. You could say that GR is very VERY abstract, but fundamentally graspable, reasonable. QM is fundamentally, um, unreasonable.



Accepting that there are topics that you will never really grasp is, alas, part of the nature of modern physics: the physics that Einstein ushered in over 100 years ago.

Answer 3

calculus is extra tricky than the different math...if u havent taken physics ever, i propose u to no longer take the two jointly, till u prefer to diminish ur g.p.a., i attempted taking the two jointly this semster n its particularly confusing, if u prefer to pass take them the two seperatly so u ought to concentration then the different... sturdy luck!!!

Answer 4

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