Lifeboat Foundation

No one has yet managed to travel through time – at least to our knowledge – but the question of whether or not such a feat would be theoretically possible continues to fascinate scientists.

As movies such as The Terminator, Donnie Darko, Back to the Future and many others show, moving around in time creates a lot of problems for the fundamental rules of the Universe: if you go back in time and stop your parents from meeting, for instance, how can you possibly exist in order to go back in time in the first place?

It’s a monumental head-scratcher known as the ‘grandfather paradox’, but a few years ago physics student Germain Tobar, from the University of Queensland in Australia, worked out how to “square the numbers” to make time travel viable without the paradoxes.

Backwards through time? We travel forwards every day, but traveling back could let us change our past, visit old friends, or manipulate the timeline to our benefit… Although our knowledge of space and time remains incomplete, we can still use what we know to consider possible time machines. But what kind of paradoxes would this entail and how can we resolve them? Join us today on a special journey through time.

An educational video written and presented by Professor David Kipping.

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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.

#Biography.

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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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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?”

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

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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.

Continue reading “The Future of Human Civilization (2022 — 3355 AD)” »