The light clock and time dilation.

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Discussion Overview

The discussion centers on the application of the time dilation equation derived from the light clock model to other types of clocks, particularly mechanical ones. Participants explore the implications of this model within the framework of relativity and its generalizability to different clock types.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants question how the time dilation equation from the light clock can be generalized to mechanical clocks, seeking clarity on the underlying principles.
  • Others argue that if mechanical clocks and light clocks showed different time dilation effects, it would violate the principle of relativity, suggesting that both must agree on time dilation outcomes.
  • A participant points out a perceived limitation of the light clock model, suggesting that it does not adequately represent the behavior of a mechanical clock, which involves more complex interactions.
  • Another viewpoint emphasizes the significance of the light clock as a special case of a clock, proposing that the ability to generalize its findings to all clocks reflects a profound aspect of the universality of physical processes.

Areas of Agreement / Disagreement

Participants express differing views on the applicability of the light clock model to other clocks, indicating that multiple competing perspectives remain without a clear consensus.

Contextual Notes

Some assumptions about the nature of clocks and their operation in different frames of reference are not fully articulated, leaving room for further exploration of the topic.

ehj
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How do you argue that the equation for time dilation derived from studying a light clock can be used in general. For instance, how does it tell us that a mechanical clock would also show time dilation?
 
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If it were different, the principle of relativity would be violated - whenever both would not agree, you could tell that you are moving in an absolute sense. This principle is postulated in the development of the theory.
 
light clock and wrist watch

ehj said:
How do you argue that the equation for time dilation derived from studying a light clock can be used in general. For instance, how does it tell us that a mechanical clock would also show time dilation?
I think that the weak point of the light clock consists in the fact that it is not a wrist watch involving two such clocks located at the two mirrors respectively.
 
ehj said:
How do you argue that the equation for time dilation derived from studying a light clock can be used in general. For instance, how does it tell us that a mechanical clock would also show time dilation?

A clock is a device that counts cycles, where a motion repeatedly returns to a starting point in some frame of reference. The light clock is a special case of this. Maybe instead of questioning the generalization of the light clock to all clocks, we should simply be amazed that such a generalization is possible. It tells us something profound about the universality of physical processes.
 

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