Does retrocausality only apply to subatomic particles?

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Discussion Overview

The discussion revolves around the concept of retrocausality and its applicability, particularly whether it is limited to subatomic particles or if it could have implications for historical events and memory. Participants explore the nature of retrocausality, its experimental verifiability, and its relationship to classical physics.

Discussion Character

  • Debate/contested, Conceptual clarification

Main Points Raised

  • Some participants question the implications of retrocausality on historical events, suggesting that if the future could affect the past, history books would change daily.
  • Others seek clarification on the definition of retrocausality and request mainstream references to support the discussion.
  • One participant emphasizes the importance of experimental evidence in science, arguing that if retrocausality cannot be tested, it cannot be known.
  • There is a repeated assertion that retrocausality does not explain any observed phenomena, indicating skepticism about its validity.
  • Another participant notes that retrocausality has not been used to explain concepts from classical physics, implying a limitation in its application.

Areas of Agreement / Disagreement

Participants express differing views on the implications and validity of retrocausality, with no consensus reached on its applicability or relevance to historical events.

Contextual Notes

Some claims rely on assumptions about the nature of memory and historical events, while others depend on the definitions and interpretations of retrocausality itself. The discussion does not resolve these complexities.

question99
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It seems that historical events are the same every day. If the future affected the past wouldn't history books change everyday by themselves? Is it possible that history does actually change but we don't realize it because our memories change too?
 
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What do you mean by "retrocausality"? Can you give a mainstream reference (textbook or peer-reviewed paper) that describes the concept you are referring to?
 
There are a great many things that are "possible", but in the sciences, we can only make real progress on questions that can be answered experimentally. How could you tell if the world worked this way?
If there's no way of telling, then there is no way of knowing.
 
question99 said:
It seems that historical events are the same every day. If the future affected the past wouldn't history books change everyday by themselves? Is it possible that history does actually change but we don't realize it because our memories change too?
That sounds right, other than the fact that retrocausality does not explain anything which ever has been observed.
 

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