Tests of equivalence principle based on fluid mechanics

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Discussion Overview

The discussion revolves around the equivalence principle (EP) in the context of fluid mechanics, exploring potential tests of the EP and its implications if it were found to be violated. Participants consider the significance of such tests and whether everyday or industrial physics could provide insights into the EP.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Michel questions whether there have been tests of the equivalence principle based on fluid mechanics and what the implications would be if the EP were found to be violated.
  • Chris suggests studying existing literature on the topic and prompts consideration of theories that might allow for a fluid that violates some version of the EP.
  • Michel expresses interest in finding practical examples from everyday or industrial physics that could make the EP more accessible to skeptics of relativity.
  • A later reply humorously suggests that educating skeptics about relativity may be more challenging than mastering quantum information theory.

Areas of Agreement / Disagreement

The discussion remains unresolved, with participants exploring various perspectives on the significance and implications of the equivalence principle in fluid mechanics without reaching a consensus.

Contextual Notes

Participants express uncertainty about the existence of tests related to the equivalence principle and the potential for fluid mechanics to provide insights. There are also assumptions about the nature of skepticism towards relativity that are not fully articulated.

lalbatros
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Were there some tests of this kind?
Would that have some meaning?
Would the fluid world be very strange if the EP was (somewhat) in default?

Some brainstorming on fluid mechanics and the Equivalence principle, to take another point of view?

Thanks,

Michel
 
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Test of the EP?

Hi, Michel,

lalbatros said:
Were there some tests of this kind?
Would that have some meaning?
Would the fluid world be very strange if the EP was (somewhat) in default?

I'd suggest you study http://relativity.livingreviews.org/Articles/lrr-2006-3/index.html and then ask yourself: what kind of theory might admit a fluid which might violate some version of the EP?
 
Last edited by a moderator:
Hi Chris,

I like very much "livingreviews", and I also ordered the book by Clifford M. Will which will probably suit my current curiosity (livetime 3 month usually, next probable topic: the Margolus-Levitin theorem and all that).

My aim with this question here was more about finding everyday physics (or eventually industrial physics) that could make the equivalence principle flattly obvious to some very obtuse anti-relativity people. Besides this it would be an interresting unusual point of view.

Thanks,

Michel
 
Last edited:
Oh dear, I'd say you stand a better chance of mastering the mysteries of quantum information theory than you do of educating "very obtuse anti-relativity people", but good luck in both projects.
 
:smile: :smile: :smile:
 

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