Are time dilation experiments conclusive?

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Discussion Overview

The discussion revolves around the concept of time dilation as described by the theory of relativity, particularly in relation to experiments involving atomic clocks. Participants explore whether these experiments are conclusive enough to apply the findings to complex systems, such as living organisms, and question the interpretation of time as a measure of change.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants propose that time is fundamentally a measure of change, suggesting that differences in aging between twins indicate that internal changes in one twin's body were slower compared to the other.
  • Others argue that the theory of relativity states that time appears to slow down for a moving object relative to an observer, but both clocks tick at the same rate, and biological processes run at identical rates regardless of relative motion.
  • A participant questions the sufficiency of atomic clock experiments to conclude that all subatomic changes are affected by speed, citing limitations in observing subatomic changes.
  • Another participant asserts that while time dilation has not been observed in all physical processes, the evidence from those that have shown time dilation is sufficient to support the theory, as there is no known mechanism that would allow speed to affect the rate of processes.
  • References to literature and experimental tests of time dilation are provided, with one participant mentioning a review paper that discusses the accuracy of modern experiments in confirming predictions of special relativity.

Areas of Agreement / Disagreement

Participants express disagreement regarding the interpretation of time dilation and its implications. While some assert that the evidence supports the theory, others challenge the conclusions drawn from the experiments and question the applicability of time dilation to complex systems.

Contextual Notes

Participants note limitations in measurement techniques and the complexity of biological processes, which may affect the interpretation of time dilation in living organisms. There is also mention of common misconceptions in popular science presentations regarding time dilation.

  • #61
Markus Hanke said:
I only meant it locally ...
I assumed that you knew that, my point was that your statement, sans caveat, might be confusing to less informed members reading your post.
 
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  • #62
GPS means, Global Positioning System... Not, Global Positioning System sys ... bah, never mind.

Get some cash from an ATM machine, too...... :oldgrumpy:
 
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  • #63
phinds said:
I assumed that you knew that, my point was that your statement, sans caveat, might be confusing to less informed members reading your post.

Point taken. I'll be more careful in the future :wink:
 
  • #64
OCR said:
GPS means, Global Positioning System... Not, Global Positioning System sys ... bah, never mind.

Get some cash from an ATM machine, too...... :oldgrumpy:
Actually, the original name was the Global Positioning Satellite System, so GPSS used to be correct, but "GPS System" has never really been correct.
 

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