Does the Block Universe Theory Suggest Time and Motion Are Illusions?

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Discussion Overview

The discussion revolves around the implications of the block universe theory, particularly whether it suggests that time and motion are illusions. Participants explore the philosophical and scientific ramifications of this theory, questioning its validity and relevance in the context of physics.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants propose that if the block universe theory is true, then all activity could be considered an illusion, likening the universe to a collection of time capsules.
  • Others argue that no experiment can distinguish between the block universe model and one where time and motion are real, suggesting that the discussion may be unproductive as it lacks falsifiable predictions.
  • A later reply questions the appropriateness of discussing the block universe in a physics forum, stating it does not meet the criteria of being a well-researched model of physics.
  • One participant expresses that the discussion is akin to asking about personal preferences, such as favorite colors, implying it lacks scientific merit.

Areas of Agreement / Disagreement

Participants generally disagree on the significance and scientific validity of the block universe theory, with some viewing it as a philosophical question rather than a scientific one. There is no consensus on whether the theory has meaningful implications for understanding time and motion.

Contextual Notes

Participants note that the block universe theory does not yield falsifiable predictions, which raises questions about its scientific status. The discussion is also limited by the lack of empirical evidence to support or refute the claims made regarding time and motion.

enquirealways
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Does block universe mean that time and motion are illusions?
 
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Uh ... I'll bet you moved between the time you started that sentence and the time you finished it, now didn't you.
 
phinds said:
Uh ... I'll bet you moved between the time you started that sentence and the time you finished it, now didn't you.

Well, can't all the activity be an illusion. Our universe could be a huge pile of time capsules.
 
enquirealways said:
Well, can't all the activity be an illusion. Our universe could be a huge pile of time capsules.

Yes, but no experiment can even in principle distinguish between that model of the universe and one in which time and motion are not illusions. Thus, the discussion tends to be sterile: it might be so, it might not be, we can't tell which it is and it doesn't make any difference either way.

It doesn't yield falsifiable predictions so it's not science, and the moderators generally shut down discussions of block universe if they don't stop at this point on their own.
 
Nugatory said:
Yes, but no experiment can even in principle distinguish between that model of the universe and one in which time and motion are not illusions. Thus, the discussion tends to be sterile: it might be so, it might not be, we can't tell which it is and it doesn't make any difference either way.

It doesn't yield falsifiable predictions so it's not science, and the moderators generally shut down discussions of block universe if they don't stop at this point on their own.


Why not send it to beyond the standard model.
 
enquirealways said:
Why not send it to beyond the standard model.

That's for "discussion of the scientific content of well-researched models of physics beyond the Standard Model [of elementary particle physics]", to quote the forum stickies. Block universe speculation fails on the grounds of not being well-researched, not being a model of physics, and not being about particle physics.
 
"Block universe" is just another description of exactly the same thing. This is not a physics question, it's more like "what is your favorite color?" - it is pointless to discuss that, so I closed the thread.
 

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