Is Light Traveling Through Time?

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    Light Time Travel
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Discussion Overview

The discussion revolves around the concept of whether light can be considered to "travel through time," particularly in relation to the speed of light and time travel. Participants explore the implications of light's speed and its relationship with the passage of time, examining both theoretical and conceptual aspects.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant suggests that if light travels at light speed, it may imply that light is also traveling through time.
  • Another participant questions the meaning of "travel in time," noting that light takes time to move between points, which could be interpreted differently based on individual experiences of time.
  • A further contribution posits that since light cannot be observed traveling at less than light speed, it may not experience time in the same way as observers do, suggesting that light's experience of time could be considered null.
  • Some participants express uncertainty about the original question and suggest that clarification from the initial poster would be beneficial.
  • One participant references previous discussions on the topic, indicating that it has been addressed multiple times in the forum.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the interpretation of light's relationship with time. Multiple competing views remain, with some participants advocating for different interpretations of light's experience of time.

Contextual Notes

The discussion highlights the complexity of defining time in relation to light and the potential for varying interpretations based on different frames of reference. There are unresolved aspects regarding the implications of light's speed and its relationship to time travel.

Physicsislifetome
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If we need light speed to travel in time and light already have it , so is light traveling in time
 
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I don't know what you mean by "travel in time", but light takes time to move from one point to another.
 
Maybe he's thinking light speed allows time travel, so is asking if light engages in time travel.

Saying "it takes time to move from one point to another" may apply to Bob, who will say it takes him some time to go from home to work (taking time being his experience), and Bob may notice that his clock shows the passage of time when he notes the emission and absorption of light as the light apparently needs some duration by Bob's measurement to move from one point to another... but that is Bob's time. Isn't the current thought that since there is no inertial reference frame where light goes less than light speed c it is not just that light's delta t=0 but that it is null? That there is no sense of time that can be applied to the light itself?
 
bahamagreen said:
Maybe he's thinking

Maybe we should let him tell us rather than guess.
 
Vanadium 50 said:
Maybe we should let him tell us rather than guess.
Bahamagreen is right
 

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