I enjoy beating up on Wikipedia but this is a very interesting and informative article they have:
https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_physics
Modern physics over the last one hundred years has been painting itself into lots of interesting corners.
> Modern physics over the last one hundred years has been painting itself into lots of interesting corners. <
Yes, indeed. That’s true of science in general. And it’s not a surprising thing. Every advance in science will bring unanswered questions along with it.
Now, here’s how things have changed. At one time it was was encouraged to point out those unanswered questions, and to even challenge the validity of the advance.
Not so much any more. A perfect example of that is with Climate Change. That theory is full of holes.
But don’t you dare point that out! It is forbidden.