Astronomy

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://pbsspacetime.com/ It’s time we talked about loop quantum gravity. What exactly is it? What
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Many Worlds interpretation of quantum mechanics proposes that every time a quantum event gets decided, the universe splits so that every possible outcome really does occur. But where exactly are those worlds, and can we ever see them? Check out the Space
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Many Worlds interpretation of quantum mechanics proposes that every time a quantum event gets decided, the universe splits so that every possible outcome really does occur. But where exactly are those worlds, and can we ever see them? Check out the Space
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Quantum mechanics has a lot of weird stuff – but there’s thing that everyone agrees that no one understands. I’m talking about quantum spin. Let’s find out how chasing this elusive little behavior of the electron led us to some of the
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To check out any of the lectures available from Great Courses Plus go to http://ow.ly/dweH302dILJ We’ll soon be capable of building self-replicating robots. This will not only change humanity’s future but reshape the galaxy as we know it. Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot]
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Entropy is surely one of the most perplexing concepts in physics. It’s variously described as a measure of a system’s disorder – or as the amount of useful work that you can get from it – or as the information hidden by
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For more information go to: https://nordvpn.com/spacetime and use the code: spacetime PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://pbsspacetime.com/ Sign Up for the Space Time Mailing
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime How many times can I half the distance between my hands? Assume perfect coordination and the ability to localize my palms to the quantum level. 15 halvings gets them to within a cell’s width. 33 to within a single atom, 50 and
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE How to predict the path of a quantum particle. Part 3 in our Quantum Field Theory Series. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us!
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What can you trust in Spacetime? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us on Patreon! http://www.patreon.com/pbsspacetime Help translate our videos! http://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g Last time we talked about what curvature means, looked at geodesics, great circles on spheres, and tried to understand the notion of “straightness”.
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Is what we see in the night sky a true representation of our universe? Find out about Gravitational Lensing in this episode and even more about it in the documentary that Matt made together with the Museum of Natural History:Distant Quasars: Shedding Light on Black Holes http://www.amnh.org/explore/science-bulletins/(watch)/astro/documentaries/distant-quasars-shedding-light-on-black-holes Get your own Space Time t­shirt at http://bit.ly/1QlzoBi
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Could it be that all the electrons in the universe are simply one, single electron moving back and forth through time? You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­shirt at
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime It’s fair to say that black holes may be the scariest objects in the universe. Happily for us, the nearest is probably many light-years away. Unless of course, Planck relics are a thing – in which case they might be literally everywhere.
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PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Explore the Fermilab YT Channel here: https://www.youtube.com/user/fermilab Why is there something rather than nothing? Well the answer may be found in the weakest particle in the universe: the neutrino. For over half a century
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PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime There’s a deep connection between gravity and time – gravitational fields seem to slow the pace of time in what we
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Quantum mechanics forbids us from measuring the universe beyond a certain level of precision. But that doesn’t stop us from trying. And in some cases succeeding, by squeezing the Heisenberg uncertainty principle to its breaking point. Check out the Space Time Merch
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Recent findings suggest that the fundamental constants might not be as stable as we assumed. And be sure to signup for your free trial of The Great Courses Plus at http://ow.ly/rcsA30beNw1 You can further support us on
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Thanks to The Great Courses Plus for sponsoring this episode of Space Time. Try a 30 day trial of The Great Course Plus at http://ow.ly/m8ms306GoxP. Quasars … the most metal thing in the universe. Support us on
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime There’s one rule on Space Time: It’s never Aliens. But every rule has an exception and this rule is no exception because: It’s never aliens, until it is. So is it aliens yet? And on today’s Space Time we’re going to examine
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PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Check out Weathered on PBS Terra: https://youtu.be/q1hj9RCWuH0 Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime By the time you’ve read this, a billion billion dark matter particles may have
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Paul Dirac’s insights into the nature of Quantum Mechanics laid the foundation for Quantum Field Theory and predicted the existence of anti-matter. Part 1 in our series on Quantum Field Theory. Try Skillshare at http://skl.sh/spacetime You can
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Can we ever achieve absolute cold? Try CuriosityStream today: http://curiositystream.com/spacetime You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Thanks to Curiosity Stream for supporting PBSDS. You can get the first 60 days free if you sign up at curiositystream.com/spacetime and use the code “spacetime” during the sign-up process. Since the discovery of the Higgs boson,
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Has the last great prediction of Einstein’s general relativity finally been verified? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us on Patreon! http://www.patreon.com/pbsspacetime Help translate our videos! http://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g For the past 90 years, the predictions laid out Einstein’s general theory of relativity have continued to be confirmed
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Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE If vacuum energy really does have the enormous value predicted by quantum field theory then our gently expanding, geometrically flat universe shouldn’t exist. This is the vacuum catastrophe. You can further support us on Patreon at https://www.patreon.com/pbsspacetime
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Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE To learn more about 23andMe head to https://23andme.com/spacetime Why strings? What are they made of? How did physicists even come up with this bizarre idea? And what’s all this nonsense of extra dimensions? You can further support
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime That Einstein guy was a real bummer for our hopes of a star-hopping, science-fiction-y future. His whole “nothing travels faster than light” rule seems to ensure that exploration of even the local part of our galaxy will be an excruciating slow. But
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Primordial black holes may be lurking throughout our universe. How large are they, how many are out there and what would happen if they moved through our solar system? To learn more about black holes, gravity and so much more check out The Great Courses Plus by going to http://ow.ly/JqPz30491TL Get your own Space Time
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime It may be that for every star in the universe there are billions of microscopic black holes streaming through the solar system, the planet, even our bodies every second. Sounds horrible – but hey, at least we’d have explained dark matter. Want
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Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Why does the universe seem to be moving in one particular direction? You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us!
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Support Us On https://www.patreon.com/pbsspacetime When a theory makes a prediction that disagrees with an experimental test, sometimes it means we should throw the theory away. But what if that theory has otherwise produced the most successful predictions in all of physics? Then, that little glitch may be pointing the way to layers of physics deeper
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Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this would lead us to conclude that a great many other things are possible, including the likelihood that you are a Boltzmann
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Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE It’s the most famous prediction of perhaps the most famous genius of our time … Stephen Hawking’s theory of Hawking Radiation. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­-shirt at
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Is our universe a definitive single reality or is it merely one within an infinitely branching multiverse? Be sure to check out Physics Girl’s Dianna Cowern for more awesome science https://www.youtube.com/c/physicsgirl Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us
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Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Entropy and the second law of thermodynamics has been credited with defining the arrow of time. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime
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Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us on Patreon! http://www.patreon.com/pbsspacetime Help translate our videos! http://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g SPACETIME IS BACK! And with this episode we welcome in Matt O’Dowd as the new host to rigorously take you through the mysteries of space, time, and the nature of
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Matt challenges you to use quantum physics to win the lottery. Are you up to the task? Previous Episode on Quantum Eraser https://www.youtube.com/watch?v=8ORLN_KwAgs Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us on Patreon! http://www.patreon.com/pbsspacetime Help translate our videos! http://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g The
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Start your Audible trial today: http://www.audible.com/spacetime Hello from the other side. In this episode find out how quanta can can move through solid objects. Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us on Patreon! http://www.patreon.com/pbsspacetime Help translate our
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