It isn't clear what problem you are talking about. However, time travel itself - should it be possible - poses several problems. The simplest solution for a physicist would be to assume that time travel is, very likely, not possible at all.
I am not sure that there are many scientists who describe time travel. those that describe light waves are physicists.
They walked a great deal of the time.
Time travel is a topic that is studied by theoretical physicists, astronomers, and philosophers. They explore potential concepts and theories within the realm of relativity, quantum mechanics, and the nature of time itself. However, time travel as portrayed in movies or literature is mostly a work of fiction.
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No. Travel time is your own problem.
Time travel formulas are theoretical equations that attempt to calculate the feasibility and mechanics of traveling through time. Some of the key formulas include the Lorentz transformation for time dilation, the Einstein field equations for general relativity, and the Wheeler-DeWitt equation for quantum gravity. These formulas are used by physicists to explore the possibilities and constraints of time travel.
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Albert Einstein
i wish i knew
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as to the original comment to this question, "Yes of corse it is they did it in star trek. live long and prosper", this is not science fiction. we dont want crap answers that deal with TV. the theory of time travel is actual physics. not just something that they do on TV or in movies.plus they never have time dialation when they "go back". technically, if you time travel, the person time taveling will get younger and travel into his or her past, while going into the future.
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