Are there any theories in physics that you don't believe?

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Discussion Overview

The discussion revolves around personal beliefs regarding certain theories in physics, particularly the nature of black holes and the concept of time travel. Participants explore their doubts about the validity of these theories and the implications of scientific understanding.

Discussion Character

  • Debate/contested

Main Points Raised

  • Some participants express skepticism about the breakdown of physical laws inside black holes and the possibility of time travel.
  • Others argue that while the rules of physics may no longer provide a good description in extreme conditions, this does not imply that physics itself is invalid.
  • A participant mentions that there are theories suggesting time travel could be possible, particularly involving black holes, but they do not believe that black holes violate the laws of physics.
  • Another participant emphasizes that scientific theories must be experimentally confirmed or contradicted, suggesting that personal beliefs should not influence the discussion.

Areas of Agreement / Disagreement

Participants generally express differing views on the validity of certain theories in physics, particularly regarding black holes and time travel. There is no consensus on these topics, and multiple competing perspectives remain.

Contextual Notes

Some claims rely on interpretations of theoretical physics that may not be universally accepted, and the discussion reflects a range of personal beliefs rather than established scientific consensus.

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I myself don't really believe that the rules of physics break down inside a black hole or that time can go backwards. I was wondering if there is anything that some people do not believe or have serious doubts about.
 
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Who says time can go backwards? And the rules of physics as we know them must break down at some point in the sense of no longer being a good description. This does not mean physics itself breaks down - Nature does what Nature does. The entire point of physics is to describe how it does it as accurately as possible. Personal beliefs are ideally irrelevant.
 
I guess I failed to back my reasoning in the question. I heard many times over and over again in articles and documentaries that there could be a way to go back/forward in time that we are unaware of. A lot of times black holes are referenced as something that could be used as such. I don't believe that a black hole breaks the laws of physics, but it is governed by perhaps greater laws that we don't understand yet.
 
Scientific theories are subject to experimental confirmation or contradiction. Our beliefs need not be scientifically based, but forum topics do.
 

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