Is the Twin Paradox Really a Paradox?

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Discussion Overview

The discussion revolves around the Twin Paradox in the context of special relativity, exploring whether it constitutes a true paradox or merely a consequence of time dilation and the relativity of simultaneity. Participants examine the implications of acceleration and reference frames on the aging of the twins, addressing both theoretical and conceptual aspects.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants assert that the Twin Paradox is not a paradox, emphasizing that it illustrates time dilation rather than a logical contradiction.
  • Others argue that the apparent paradox arises from the symmetrical nature of time dilation, which leads to confusion when considering the different experiences of the twins during their journey.
  • A few participants highlight the importance of the relativity of simultaneity in resolving the paradox, suggesting that it plays a crucial role in understanding the aging differences between the twins.
  • Some contributions mention that the traveling twin undergoes acceleration, which breaks the symmetry and leads to differential aging, challenging the application of time dilation alone.
  • There are discussions about the implications of special relativity, with some participants questioning how a theory that claims relativistic symmetry can yield an absolute age difference.
  • Several participants note that the traveling twin's change of reference frame at the turnaround point introduces an asymmetry that is essential to the resolution of the paradox.
  • Some express that the paradox is surprising and often misunderstood, particularly regarding the application of Newtonian physics in non-inertial frames.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether the Twin Paradox is truly a paradox. While some agree it is not a paradox in a logical sense, others maintain that it presents a surprising result that challenges intuitive understanding of time and simultaneity.

Contextual Notes

Limitations include the potential misunderstanding of time dilation in accelerating frames and the complexities introduced by the relativity of simultaneity, which are not fully resolved in the discussion.

  • #61
Orodruin said:
You are just interpreting it that way, but you are wrong. The Lorentz transformation says exactly nothing about one of the frames being "stationary". Claiming anything else is a lie.

It doesn't, eh? Let say that, using radar guns, A and B both agree that they are moving at the rate of .6c relative to each other.

Now, tell me, who does all that speed get attributed to when you perform an LT calculation?

Hint, one frame has an attributed speed of zero, the other an attributed speed of .6c.
 
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  • #62
Enough already. Thread closed for moderation.
 
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