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1. theconversation.com › is-time-travel-even-possibleIs time travel even possible? An astrophysicist explains the ...

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   Nov 13, 2023 · Scientists are trying to figure out if time travel is even theoretically possible. If it is, it looks like it would take a whole lot more knowledge and resources than humans have now to do...

2. spaceplace.nasa.gov › time-travel › enIs Time Travel Possible? - NASA Space Place

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   • How Do We Know That Time Travel Is Possible?
   • Can We Use Time Travel in Everyday Life?
   • In Summary

   More than 100 years ago, a famous scientist named Albert Einstein came up with an idea about how time works. He called it relativity. This theory says that time and space are linked together. Einstein also said our universe has a speed limit: nothing can travel faster than the speed of light (186,000 miles per second). What does this mean for time ...

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   We can't use a time machine to travel hundreds of years into the past or future. That kind of time travel only happens in books and movies. But the math of time travel doesaffect the things we use every day. For example, we use GPS satellites to help us figure out how to get to new places. (Check out our video about how GPS satellites work.) NASA s...

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   Yes, time travel is indeed a real thing. But it's not quite what you've probably seen in the movies. Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second. And there are important reasons why we need to understand this real-world form of time travel.

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3. People also ask

   Do astrophysicists have time travel?

   • Interestingly, astrophysicists armed with powerful telescopes possess a unique form of time travel. As they peer into the vast expanse of the cosmos, they gaze into the past universe. Light from all galaxies and stars takes time to travel, and these beams of light carry information from the distant past.

   Is time travel possible? An astrophysicist explains - Astronomy Magazine

   www.astronomy.com/science/is-time-travel-possible-an-astrophysicist-explains/

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   Could time travel be possible?

   • Joining the ranks of movie inventors like Doc Brown of “Back to the Future” are a few real-life scientists currently trying to realize the dream of turning back the clock to travel to the ultimate destination. Among them is Ron Mallett, an astrophysicist who has dedicated much of his adult life to the notion that time travel is possible.

   The scientist trying to travel back in time | CNN

   www.cnn.com/travel/article/time-travel-ron-mallett-scn/index.html

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   Is time travel scientifically accurate?

   • "This is where time travel can come in and it is scientifically accurate and there are real-world repercussions from that," says Emma Osborne, an astrophysicist at the University of York, in the UK. For example, time passes more slowly if you travel at speed, though you need to start approaching the speed of light for the effect to be significant.

   Is time travel really possible? Here’s what physics says - BBC

   www.bbc.com/future/article/20231110-doctor-who-is-time-travel-really-possible-heres-what-physics-says

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   Is time travel real?

   • However, when we think of the phrase "time travel," we are usually thinking of traveling faster than 1 second per second. That kind of time travel sounds like something you'd only see in movies or science fiction books. Could it be real? Science says yes!

   Is Time Travel Possible? - NASA Space Place

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4. www.astronomy.com › science › is-time-travelIs time travel possible? An astrophysicist explains

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   Dec 15, 2023 · Back to Article List. Is time travel possible? An astrophysicist explains. By Adi Foord, The Conversation | Published: December 15, 2023. Time gets a little strange as you approach the speed...

5. www.cnn.com › travel › articleMeet the scientist trying to travel back in time - CNN

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   Jan 1, 2020 · US astrophysicist Ron Mallett has spent decades trying to crack the mystery of time travel in the hope of revisiting his past. He thinks he’s figured out the science that would make it possible...

   • Author: Francesca Street

6. Videos

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     How To Time Travel, According To A Physicist

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     Albert Einstein's Time Travel | Theory & Equation

     Jul 4, 2017

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     48:48

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     Is Time Travel Possible In Our Universe?

     Apr 9, 2023

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7. www.bbc.com › future › articleIs time travel really possible? Here’s what physics says - BBC

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   Nov 13, 2023 · Getty Images. According to Albert Einstein's theories of relativity, you can compress time if you are able to travel fast enough relative to those around you (Credit: Getty Images) In our...

8. www.scientificamerican.com › article › is-timeIs Time Travel Possible? | Scientific American

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   Apr 26, 2023 · The laws of physics allow time travel. So why haven’t people become chronological hoppers? By Sarah Scoles. yuanyuan yan/Getty Images. Astrophysics. In the movies, time travelers typically...

9. www.usatoday.com › story › techWill time travel ever be possible? Science behind curving ...

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   Sep 10, 2022 · Is time travel possible? According to NASA, time travel is possible, just not in the way you might expect. Albert Einstein’s theory of relativity says time and motion are relative to each...