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parshyaa
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is it possible to travel in time, what are some concepts, theories which are yet to be explore to know more about time travelling.
Kevin McHugh said:Since it is impossible, I don't think of it at all.
micromass said:It is possible! The twin paradox is a perfectly valid way to travel time. Just because we understand it, doesn't mean that it's not time travel. And traveling backwards in time is not contradicting any physics either.
Kevin McHugh said:In the twin paradox, the twin leaves in the present and returns to the present. Only the passage of time was different for the twins.
micromass said:It is possible in principle to leave, to travel for 1 second, come back and be 5000 years in the future. That's time travel no?
Kevin McHugh said:I'm curious, how can this be done?
micromass said:Time dilation. Just travel for one second for a speed sufficiently close to light. On earth, 5000 years will pass, while for you it looks like 1 second.
Kevin McHugh said:How would you accelerate an object to a fraction of the speed of light, slow it down, turn it around and accelerate it back to earth, and slow it down once again, all in one second?
micromass said:That's an engineering problem. Physics says it's possible.
"Solar" (i. e. stellar) sails. Although it'd take considerably longer than a second. The current engineering problem isn't achieving a significant fraction of light speed, it is escaping or resisting micro collisions with cosmic dust or anything larger.Kevin McHugh said:How would you accelerate an object to a fraction of the speed of light, slow it down, turn it around and accelerate it back to earth, and slow it down once again, all in one second?
micromass said:It is possible! The twin paradox is a perfectly valid way to travel time. Just because we understand it, doesn't mean that it's not time travel. And traveling backwards in time is not contradicting any physics either.
I enjoy it, but I wish I could do it a little slower.parshyaa said:what do you think about time traveling.
uh huh, I am convinced that the years seem to go by faster than they used toruss_watters said:I enjoy it, but I wish I could do it a little slower.
No they are not, you are going slower than you used to.davenn said:uh huh, I am convinced that the years seem to go by faster than they used to
rootone said:No they are not, you are going slower than you used to.
Time travel is the concept of moving between different points in time, either forward or backward. It is often depicted in science fiction as a way to visit the past or future.
There is currently no scientific evidence that time travel is possible. While some theories, such as wormholes, suggest that it could be possible, there are many challenges and limitations that would need to be overcome.
This is a highly debated topic among scientists and philosophers. Some believe that any changes made in the past would create a ripple effect and alter the present, while others argue that the past is already set and any attempts to change it would be futile.
If time travel were possible, it could have significant impacts on the future. For example, changing events in the past could create a different timeline and potentially alter the future. It could also raise ethical questions about altering the course of history.
Aside from the ethical implications, time travel could have potential dangers such as creating paradoxes or disrupting the natural progression of time. It could also have unintended consequences that could negatively impact the future.