What the field of physics knows it doesn't know.

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    Field Physics
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Discussion Overview

The discussion revolves around the nature of the laws of the universe, particularly their ubiquity and isotropy, and the extent to which physics can explain the mechanics behind these phenomena. Participants explore philosophical implications, the unknowns in physics, and the motivations for understanding what remains unexplained.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification
  • Meta-discussion

Main Points Raised

  • Some participants assert that the laws of the universe are ubiquitous and isotropic, but question why this is the case and whether physics can explain the mechanics behind it.
  • One participant emphasizes the importance of understanding both known and unknown aspects of physics, suggesting that new generations of physicists should focus on what remains unexplained.
  • Another participant challenges the notion that gravity cannot be explained, arguing that gravity is a property of mass and that its effects can be accurately predicted.
  • Some participants reference the anthropic principle as a potential explanation for why the laws of physics are as they are, suggesting that different laws might not allow for our existence.
  • There is a discussion about the role of symmetries in physics, with one participant noting that symmetries lead to conserved quantities, yet questioning why these symmetries exist.
  • Several participants express uncertainty about the ability to answer "why" questions in physics, indicating that such inquiries often lead to further questions and require foundational assumptions.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the explanations for the laws of the universe or the nature of gravity. Multiple competing views are presented, and the discussion remains unresolved regarding the mechanics of these phenomena.

Contextual Notes

Participants express various assumptions and interpretations regarding the nature of physical laws, the implications of symmetries, and the philosophical aspects of understanding the universe. There are limitations in the clarity of definitions and the scope of the discussion, particularly concerning the mechanics of gravity and the laws of physics.

  • #31
I'm not sure that 'effect' is really the right word. I mean we have Einstein's field equations which contain terms related to the field and terms related to energy, momentum e.t.c. So maybe it is better to say that knowledge of the field tells us about what matter is doing and vice versa.
 

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