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Neil deGrasse Tyson on The Dangers of Traveling the Multiverse

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The Multiverse Hypothesis Explained by Neil deGrasse Tyson

The multiverse hypothesis or theory holds that a group of multiple universes (possibly infinite universes) comprise everything that exists: The entirety of space, time, matter, energy, information, and the physical laws and constants that describe them. The renowned astrophysicist Neil deGrasse Tyson explains in detail the multiverse hypothesis.

However, prominent physicists are divided about whether any other universes exist outside of our own. Some even go as far as to say that the multiverse is not a legitimate topic of scientific inquiry. Because it can not be empirically falsified. But Neil deGrasse Tyson among other prominent cosmologists, thinks that given our understanding of quantum mechanics and the thoery of General relativity, the possibility of the existence of the multiverse is a legitimate scientific hypothesis.

Steven Weinberg said that if the multiverse existed, the hope of finding a rational explanation for the precise values of quark masses and other constants of the standard model that we observe in our Big Bang is doomed, for their values would be an accident of the particular part of the multiverse in which we live.

Some scientists analyzed the data from the Wilkinson Microwave Anisotropy Probe, an uncrewed spacecraft operating from 2001 to 2010 that measured temperature differences across the sky in the cosmic microwave background, the radiant heat remaining from the Big Bang, and claimed they found evidence suggesting that our universe collided with other parallel universes in the distant past.

However, a more thorough data analysis from the Wilkinson Microwave Anisotropy Probe and from the Planck Satellite, a space observatory operated by the European Space Agency from 2009 to 2013, which mapped the anisotropies of the cosmic microwave background, did not find any statistically significant evidence of universe collisions. there was no evidence of any gravitational pull of other universes on ours either. And to add insult to injury to the proponents that the multiverse hypothesis has been backed up by statistical evidence, the Planck satellite, has a resolution three times higher than the WMA Probe.


Our brains are not evolutionarily equipped to intuitively understand quantum mechanics and large scale cosmic phenomena. But Neil deGrasse Tyson with his usual wits explains the multiverse hypothesis in layman's terms.

#multiverse #neiltyson #science

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Is Time Travel Possible? - The Science of Time With Neil deGrasse Tyson

Whether time travel is possible is among the most intriguing questions in all of science. Neil deGrasse Tyson explains how time travel into the future is possible through Einstein's general relativity theory.

Time travel is a widely recognized concept in philosophy and science fiction. But is it truly possible in real life? What does physics tell us about time travel? Is it possible to travel to the past? There are some physical theories that can help us learn what time travel is and how it works. Neil deGrasse Tyson explains the nature of time and the conundrums of time travel.

In Einstein's theory of special relativity time slows down or speeds up depending on how fast you move relative to something else. So, for an observer in an inertial frame of reference, a clock that is moving relative to them will be measured to tick slower than a clock that is at rest in their frame of reference. This case is sometimes called special relativistic time dilation. Time dilation may also be regarded in a limited sense as time travel into the future. The faster the relative velocity, the greater the time dilation between one another, with the rate of time reaching zero as one approaches the speed of light.

While some physicists argue whether time travel is possible, theoretical physicist Carlo Rovelli thinks that time is in fact illusion and our reality is just a complex network of events onto which we project sequences of past, present and future.

Neil deGrasse Tyson is quite possibly the most famous astrophysicist if not the most famous scientist of our time. He is a science communicator and author and he explains in layman's terms whether time travel is actually possible. Neil deGrasse Tyson has written numerous scientific books, his latest is Letters from an Astrophysicist.

#TimeTravel #NeilTyson #Science

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The Universe and Beyond, with Stephen Hawking

This year’s season finale of StarTalk on National Geographic TV was Neil deGrasse Tyson's interview with Stephen Hawking. In memory of his passing, and in celebration of his life, we offer that episode for you here. Also featuring astrophysicist Janna Levin, comedian Matt Kirshen, physicist Michio Kaku, and Bill Nye the Science Guy.

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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Neil deGrasse Tyson: Are We Alone in The Universe?

Neil deGrasse Tyson explains the possibility of life existing elsewhere in the Universe. He explains where the elements that make up life on Earth come from. And how that has profound implications about the prevalence of life in the Universe. Certainly the question Are we alone in the Universe has got to be among the oldest, most fascinating and awe inspiring questions in science that remains unanswered. But Neil deGrasse Tyson paints a very interesting cosmic picture about life itself and why most astrophysicists indeed accept the probability of the existence of extraterrestrial life is high. At the very end he also has what he calls a disturbing and thought provoking question for the viewers.

So far, the only life we know of is right here on our planet Earth. Yet, there are compelling arguments to suggest we are not alone.
There are thousands of exoplanets that have been confirmed to exist in our galaxy and the likely number could be in the trillions.

Given how long life has had to evolve on Earth, it is possible that there are beings on other worlds that are even more advanced than we are. That would certainly have implications for our understanding of the origins of life.

A new study however, suggests that alien civilizations destroy themselves through progress, meaning our galaxy could be full of dead alien civilizations.

With a limited understanding of how life originated on Earth, and with so little understanding of what kind of life there is elsewhere in the universe, it is not too surprising we don’t know what we are going to find out there. But it seems very likely that other life will have developed in different ways to that which evolved on Earth.

So, are we alone in the universe? As Arthur C. Clarke has pointed out “Two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying.

#life #neiltyson #science

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Cosmic Quandaries with Dr. Neil deGrasse Tyson at St Petersburg College:

Life the Universe and Everything with Neil deGrasse Tyson at American Museum of Natural History:
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Schrödinger's cat: A thought experiment in quantum mechanics - Chad Orzel

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Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment.

Lesson by Chad Orzel, animation by Agota Vegso.

Neil deGrasse Tyson on The Future of NASA

On this episode of StarTalk on Mashable, Neil deGrasse Tyson talks with NASA's former Chief Scientist Ellen Stofan about the race to Mars, the growing space junk problem, SpaceX, and more. Let's make America smart again.

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StarTalk on Mashable is a video series, produced by Mashable and StarTalk Radio. StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson.

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Neil deGrasse Tyson Explains Vanishing Black Holes

Will a black hole just vanish and disappear at the end of its life? To answer a fan’s Cosmic Query, Neil explains Hawking Radiation to co-host Chuck Nice. Watch and learn how black holes “evaporate” and why the number of atoms that evaporate exactly matches the amount of matter that it ate.

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

#StarTalk #NeildeGrasseTyson

Cosmos: Possible Worlds - Episode 1 (Ladder to the Stars)(ENG SUB)

Cosmos: Possible Worlds is an American science documentary television series that premiered on March 9, 2020, on National Geographic. The series is a follow-up to the 2014 television series Cosmos: A Spacetime Odyssey, which followed the original Cosmos: A Personal Voyage series presented by Carl Sagan on PBS in 1980. The series is presented by astrophysicist Neil deGrasse Tyson, written, directed, and executive-produced by Ann Druyan and Brannon Braga, with other executive producers being Seth MacFarlane and Jason Clark. The series consists of 13 episodes that were broadcast over seven weeks.

Stephen Colbert Interviews Neil deGrasse Tyson at Montclair Kimberley Academy - 2010-Jan-29

Jump to 6:15 for the start of the interview.

Now with captions! Took me three days to transcribe :-P
Download captions:
If you would like to volunteer to create captions for your native language, message me.

I DO NOT OWN THIS CONTENT, but the website was severely overloaded when I uploaded it here. Neil even tweeted a link to this video ( )

Original:

A discussion about science, society, and the universe with Stephen Colbert, who is out of character, at the Kimberley Academy in Montclair, New Jersey, in January of 2010.

EP#5: Neil deGrasse Tyson - Limits of Human Intelligence | AI & Algorithms | Lifelong Learning

Neil deGrasse Tyson is an astrophysicist, author, educator, host of Cosmos and StarTalk, and director of the Hayden Planetarium.

What's the most effective way to educate in the 21st Century? Is work-life balance overrated? Is the human brain smart enough to understand the secrets of the Universe? Should information come with a truth-measure? In this episode, hear Neil deGrasse Tyson discuss teaching in today's content-saturated world, thoughts that keep him up at night, and his views on leaving an impact in the 21st Century.

Neil deGrasse Tyson's curated long- and short-form content list:

Neil deGrasse Tyson's books:
Letters from an Astrophysicist:
Astrophysics for people in a hurry:

Neil deGrasse Tyson essay:

Thank you to RBC for sponsoring this episode!

This episode was mixed and mastered by Nick Sciarretta at Blank Vinyl Project:

What is Impact in the 21st Century?

Impact in the 21st Century is a podcast created by Simbi Foundation, a non-profit organization working to support the next 3.5 million refugee learners with solar-powered classrooms called BrightBoxes. This podcast brings to light the positive social impact made by activists, academics, authors, founders, and innovators.

Who hosts Impact in the 21st Century?

Aaron Friedland is a National Geographic Explorer, PhD Candidate in Econometrics at UBC, Executive Director of Simbi Foundation, and innovator of the BrightBox solution and the unique reading platform Simbi.

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Neil deGrasse Tyson on The Dangers of Traveling the Multiverse

A fan asks Neil deGrasse Tyson: If the multiverse theory is true, could the laws of physics vary between universes, making it dangerous to travel from one to the other? Get ready for a wacky, speculative conversation from the frontiers of quantum physics, complete with an evil Chuck Nice, an alternate Adolf Hitler, Isaac Newton and a crash test dummy.

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

#StarTalk #NeildeGrasseTyson

Neil deGrasse Tyson on Multiverse

I believe this to be candid truth. Since in our reality, all astral bodies tend to be spherical and travel in an ellipse, I suspect our universe is also spherical (balloon) and also travels in an ellipse around other universes. Between them exists dark energy, the transmogrified remnants of dead universes (imagine popped balloons being recycled). Thus is the cycle of life. :)

Neil deGrasse Tyson on Time Travel and Time Travelers

Does the fact that there are no time travelers now prove that time travel will never be invented in the future? Neil deGrasse Tyson, astrophysicist, host of StarTalk Radio and director of the Hayden Planetarium, answers this Cosmic Query from +FraserCain of UniverseToday in this Behind the Scenes video. With comic co-host Colin Jost of Saturday Night Live Weekend Update.

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Neil Degrasse Tyson Explains the Multiverse and Hillary Clinton

We know who won the election in THIS universe...

The Physics and Fantasy of Time Travel [Neil deGrasse Tyson and Chuck Nice]

The Physics and Fantasy of Time Travel [Neil deGrasse Tyson and Chuck Nice]
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Is time travel merely science fiction, or is it possible without contradicting the laws of physics? In this episode of StarTalk, Neil deGrasse Tyson and his guest, theoretical physicist Michio Kaku, examine time travel through the framework of quantum mechanics and the lens of science fiction movies and TV. Neil interviews both Christopher Lloyd, who played “Doc Brown” in the Back to the Future movies, and Michelle Gomez, who plays a female Time Lord, Missy, aka The Master, on Doctor Who. Join us as we relive the moment when Doc Brown fell off his toilet and invented the Flux Capacitor, and then listen as Neil, Michio and co-host Chuck Nice review some of the Eureka (or “That’s Funny?”) moments in scientific discovery, from William Herschel’s discovery of infrared light to Newton’s apple-inspired Theory of Gravity. Discover why common sense and Albert Einstein both fall short in their descriptions of time, and what Michio means when he talks about pretzels, forks and “whirlpools in the river of time.” Also up for discussion: H.G. Wells’ introduction of the concept of time as the Fourth Dimension in his 1895 classic, The Time Machine, and why physicists like Michio now think Stephen Hawking’s “Chronology Protection Hypothesis” is wrong, and why backwards time travel is possible thanks to quantum mechanics, the concept of the multiverse, and even general relativity. Find out what the 3 Classes of Impossibility are, and why teleporting and jet packs are Class 1, time travel and wormholes are Class 2, creating something out of nothing would be Class 3…. and Chuck’s wife letting him go to a strip club would be Class 4! All this plus timeless photons, parallel universes, the grand unification theory, Cosmic Queries, and this week’s “Nye in the City” segment when Bill Nye takes the DeLorean for a little time-traveling joy ride.
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Neil deGrasse Tyson on Coronavirus, Climate Change, War & Space Exploration

On this episode of Going Underground, we speak to world-renowned astrophysicist Neil deGrasse Tyson. He discusses what the United States and many European countries have gotten wrong in their Coronavirus response, the politicisation of science and the damage it has done to effectively fighting Coronavirus, opportunities and hurdles in fighting climate change, how militarisation and warfare have always been linked to advances in science and technology, how war is not just an American but human disease, why China will be the first to hear from aliens if they contact us, the future of space exploration and much more!

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Neil deGrasse Tyson Explains The Bermuda Triangle

Chuck Nice (@chucknicecomic) challenges astrophysicist Neil deGrasse Tyson (@neiltyson) to answer a fan question about the science behind the Bermuda Triangle.

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NEIL DEGRASSE TYSON - IS INTERSTELLAR TRAVEL POSSIBLE?

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Time Traveling The Multiverse

Have you seen that video by Rob Bryanton called Imagining the tenth dimension?

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Neil deGrasse Tyson | Political Debates Over Proven Science a Threat To Civilisation!

On this episode of Going Underground, we speak to world-renowned astrophysicist Neil deGrasse Tyson. He discusses what the United States and many European countries have gotten wrong in their Coronavirus response, the politicisation of science and the damage it has done to effectively fighting Coronavirus, opportunities and hurdles in fighting climate change, how militarisation and warfare have always been linked to advances in science and technology, how war is not just an American but human disease, why China will be the first to hear from aliens if they contact us, the future of space exploration and much more!

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