Whats left in physics to discover

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The discussion centers on the current gaps in physics knowledge and the ongoing quest for understanding in various fields. Participants highlight that while classical mechanics is well-established, significant research continues in quantum mechanics, relativity, and other areas to refine existing models. The concept of a "Theory of Everything" remains a major goal, aiming to unify the four fundamental forces of nature. Fusion energy is mentioned as a promising area for future physicists, but challenges in controlling and containing reactions hinder its current application. Overall, the conversation underscores the idea that despite advancements, many fundamental questions in physics remain unanswered, indicating a vast landscape for future exploration.
  • #31
We don't understand the Pauli Exclusion Principle at all.

We do not understand metals from first principle. The simple nearly free electron approach works ok, but refinements on it fail. We are unable to calculate band gaps from first principle.
 
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  • #32
Claude Bile said:
The big cookie in physics is resolving the apparent contradictions implicit in the theories of General Relativity and Quantum Physics.

Claude.

_Apparent_ contradictions?
Are you stating that the problem is merely a paradox?
 
  • #33
mfb said:
List of unsolved problems in physics

With more knowledge, this list is not getting shorter, it is getting longer as more and more questions are coming up.

Just added a few items ...
 

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