Archive for the ‘time travel’ category: Page 6

Dec 3, 2022

H.G. Wells: Time Traveler | Full Documentary | Biography

Posted by in categories: education, time travel

Interviews with two of H.G. Wells’s grandsons and his granddaughter jump us back in time and flesh out this chronicle of the life of the author who pioneered 20th century science fiction in Season 1, Episode 8.


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Dec 3, 2022

Kip Thorne — Is Time Travel Possible?

Posted by in categories: physics, time travel

What does time travel reveal about the nature of space and time? What about the laws of physics under extreme conditions?

For more on information and video interviews with Kip Thorne, please visit http://bit.ly/1DpWJQU

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Dec 2, 2022

How to Build A Time Machine — Paul Davies

Posted by in categories: cosmology, space travel, time travel

Time travel makes great science fiction, but can it really be done? Travel into the future is already a reality, but visiting the past is a much tougher proposition, and may require fantastic resources such as a wormhole in space. Nevertheless, if going back in time is allowed, even in principle, then what about all those paradoxes that make time travel stories so intriguing?

Paul Davies is a physicist, cosmologist and astrobiologist at Arizona State University, where he is Director of the Beyond Center for Fundamental Concepts in Science. He is the author of many books, including “How to Build a Time Machine” and, most recently, “The Eerie Silence: are we alone in the universe?”

Dec 2, 2022

Is It Possible to Build a Time Machine? With Paul Davies

Posted by in categories: media & arts, physics, time travel

Time travel is one of sci-fi’s favorite tools. But is it possible to build a real time machine? Could you travel into the future or the past? Paul Davies joins John Michael Godlier to discuss the possibilities of time travel and how it would work within Einstein’s theory of general relativity.

Paul Davies is a theoretical physicist and regents professor at the department of physics at Arizona State University. He is a cosmologist, astrobiologist and best-selling science author, including the author of How to Build a Time Machine.
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Dec 2, 2022

Superluminal Time Travel + Time Warp Challenge Answer

Posted by in categories: physics, space travel, time travel

Viewers like you help make PBS (Thank you 😃). Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE

Find out how traveling faster than light and traveling back in time are the same thing. And be sure to tell PBS what types of shows you want to see at https://www.surveymonkey.com/r/pbsds2017 25 random participants in the survey will receive PBS t-shirts.

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Nov 27, 2022

A Nobel Prize-Winning Physicist Just Cracked Time Travel—Here’s How It’s Possible

Posted by in category: time travel

Read more about A Nobel Prize-Winning Physicist Just Cracked Time Travel—Here’s How It’s Possible.

Nov 18, 2022

The Future of Human Civilization (2022 — 3355 AD)

Posted by in categories: media & arts, space, time travel

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In this video, we’ll sit down in our time machine and go forward a few millenniums into the future, to see where we would be progressing as a civilization.

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Nov 11, 2022

Experiments Deliver Superposition Of Photon Going Forward And Backward In Time

Posted by in categories: particle physics, quantum physics, time travel

Two different groups have tested a seemingly counter-intuitive property of the quantum world: That it’s possible to put a photon, a particle of light, in a superposition of states going forward and backward in time. This is not time travel and won’t lead to communicating with the past – but it is an intriguing demonstration of how time can be thought to work at a quantum level.

Unless you have a TARDIS or a DeLorean, time only flows in one direction (forward) for us. This annoying little fact that protects us from all sorts of paradoxes is called the arrow of time. It is believed to be related to the concept of entropy (which always increases in an isolated system like the universe) but it doesn’t seem to be as fundamental at the quantum level.

Instead, something that appears to be fundamental is the so-called CPT symmetry (charge, parity, and time reversal symmetry). This holds for all physical phenomena, and if a combination of two of them is violated (such as famously the CP violations) there ought to be a violation in time symmetry as well.

Oct 23, 2022

5 Science Fiction Movies That Actually Have Science Fiction in Them

Posted by in categories: quantum physics, robotics/AI, time travel

Many modern science fiction movies tend to use the veneer of science fiction as a way to plug potholes or feature elaborate explosions and action. There’s always a time-travel portal to stand in as the deus ex machina, and some advanced robot or alien who only seems interested in killing everyone.

I like those movies as much as the next fella. But some filmmakers do make a sincere effort to imagine other realities and technologies that inspire in the way classic science fiction does. It doesn’t mean the films have to be the on-screen equivalent of reading an MIT paper on quantum entanglement or something, just that they spin a decent yarn inspired by actual science.

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Oct 14, 2022

Time Travel Movies Rely on the ‘Bootstrap Paradox.’ It Could Explain Real-Life Destiny

Posted by in category: time travel

It may not be as famous as the so-called “grandfather paradox,” but that doesn’t make the idea of an infinite causal loop any less troubling… or fascinating.

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