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Quantum physics: Is time travel theoretically feasible?

Results so far:

No
38% 437 votes Total: 1162 votes
Yes
62% 725 votes

Albert Einstein proved without question that time travel is theoretically feasible. All we need to do is discover a way to travel at light speed.

When we view the stars, we are actually looking into the past, in some cases seeing them as the appeared millions of years ago. For example, when we look at the brilliant star Sirius, we are seeing that star as it appeared eight years ago. That is because the light from Sirius took eight years to reach Earth.

The Hubble telescope allows us to see far into the past and view galaxies that are millions of light years away. So we know that manipulating light allows us to look back in time. The question remains, can we travel back or forward in time? In theory, yes we can!

Now, to travel in time we need to move at, or near the speed of light. If we can do this, then time travel would be simple.

I am certain there are other planets that are inhabited. If we are being visited by Aliens from another galaxy or star system (and recent military evidence suggests that we are), the Aliens must be traveling close to the speed of light. Any slower would take far too much time to reach us, and unless they have very long life spans or they have the technology to manipulate time and space (creating a worm hole), which of course is quite hypothetical, it would not be practical for them to visit Earth.

So in theory time travel is feasible. Einstein proved that if we departed from Earth in 2008 traveling at light speed, returning in ten years, we would arrive back on Earth in about 2058 Earth time. Perhaps even 2100. Traveling at light speed would enable us to travel far into Earth's future.

Travel to the past would be much more difficult. However in my research on Alien visitations, I have been told that our military has been working on an exchange program (SINCE THE ROSWELL INCIDENT)with a race of Aliens from a star system 39 light years away. However it only takes these beings 91 days to reach earth. I have also been told that these Aliens can travel back in time.

Remember that the light we are seeing from Saturn left the earth an hour ago. When we see Saturn we are seeing it as it appeared an hour ago. So in theory, if we had a ship that could travel at light speed and departed from Earth at 10am we would arrive on Saturn at 11am. However, theoretically it would still be a little over 10am on earth. Time would be moving on Earth much slower than we would be traveling. Is this not time travel?

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Below are the top articles rated and ranked by Helium members on:

Quantum physics: Is time travel theoretically feasible?

Yes
  • 1 of 41

    by Wenbin Nah

    "Two paradoxes are better than one; they may even suggest a solution" -Edward Teller

    No discussion involving the feasibility

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  • 2 of 41

    by Jerry Hodge

    Albert Einstein proved without question that time travel is theoretically feasible. All we need to do is discover a way

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No
  • 1 of 36

    by John Traveler

    Of all the attributes which define the universe we find ourselves in, time presents us with the most perplexing of issues.

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  • 2 of 36

    by Gary C. Gibson

    A field of space and time appears to be the substratum of the mass-energy of the universe coinciding historically with it's

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