Traveling to different Universes?

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  • Thread starter Thread starter Silverbackman
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SUMMARY

The discussion centers on the theoretical possibility of traveling through different universes, particularly in the context of altering historical events, such as the Axis powers winning WWII. Participants highlight the prevailing belief among physicists that time operates as an arrow, making time travel and timeline alteration impossible. The concept of using "strings" as a means to navigate between infinite universes is mentioned, but ultimately deemed unfeasible. The consensus is that current scientific understanding does not support the idea of returning to a previous timeline after making changes.

PREREQUISITES
  • Understanding of the concept of time as an arrow in physics.
  • Familiarity with multiverse theory and its implications.
  • Basic knowledge of string theory and its principles.
  • Awareness of historical events, particularly World War II, and their significance.
NEXT STEPS
  • Research the implications of time as an arrow in modern physics.
  • Explore multiverse theory and its various interpretations.
  • Study string theory and its potential applications in theoretical physics.
  • Investigate historical counterfactuals and their philosophical implications.
USEFUL FOR

Physicists, philosophers, historians, and anyone interested in the theoretical aspects of time travel and the multiverse concept.

Silverbackman
Would there be anyway to theoretically travel through different universes? Let us say you went back in time (if it is possible) and altered history (let us say you somehow stupidly made the Axis powers win in WWII), would there be able to return to the timeline you came back from, maybe by using strings or whatever to travel to the infinite possible universes?
 
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using strings anything is possible !
 
Not possible

Many physicists believe that time has/is an arrow that points in the direction that we are traveling in now. Since they think this, they also think that is impossible to go back in time at all because we wouldn't be able to change the direction of the arrow. I'm really not sure though if one could use strings to travel to different universes.
 

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