Traveling to the Future with Speed of Light - Can it be True?

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Discussion Overview

The discussion centers around the concept of traveling to the future by moving at the speed of light, exploring the implications of time dilation as described in relativity. Participants are questioning the validity of the claim made by a speaker at a physics conference and seeking clarification on the mechanisms behind time dilation.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions the truth of the claim that traveling at the speed of light could allow one to reach the future.
  • Another participant asserts that while one cannot reach the speed of light, traveling at high speeds can lead to time dilation effects, referencing the "Twin Paradox."
  • A follow-up question asks whether time dilation is solely due to gravity or if there are other contributing factors.
  • Another participant confirms that time dilation occurs due to both gravity and motion, but emphasizes that significant effects are only observable at speeds approaching the speed of light.

Areas of Agreement / Disagreement

Participants express differing views on the feasibility of traveling to the future at the speed of light, with some agreeing on the principles of time dilation while others seek clarification on its causes. The discussion remains unresolved regarding the initial claim and the nuances of time dilation.

Contextual Notes

There are limitations in the discussion regarding the assumptions about speed, the definitions of time dilation, and the conditions under which significant effects are observed. The discussion does not resolve the complexities surrounding these concepts.

gunblaze
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I went to a physics conference today and there was this speaker who mentioned that if we want to get to the future(eg: year 3000), we could simply travel anywhere using the speed of light and travel back to wherever u belong and u will get to this "somewhen"<not somewhere> in the future.

Just want to know, how true is this statement? Anyone who can give an explanation out there?
 
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You can't ever reach the speed of light, but by getting in a spaceship and traveling at a high rate of speed, you can achieve the same effect. This is known as time dilation. See any of the gazillion threads on "The Twin Paradox".
 
pervect said:
You can't ever reach the speed of light, but by getting in a spaceship and traveling at a high rate of speed, you can achieve the same effect. This is known as time dilation. See any of the gazillion threads on "The Twin Paradox".

This time dilation.. is it due to gravity or are there other reasons that cause this effect?

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Last edited:
Time dilation does happen due to gravity but also simply by moving, but you would only see noticeable effects if you where moving at a significate portion of the speed of light.
 

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