MinutePhysics
Where Does Complexity Come From? (Big Picture Ep. 3/5)
This video is about the difference between complexity and entropy, and how complex things like life can arise from disorder. Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it!...
PBS
Are the Fundamental Constants Changing?
The laws of physics are the same everywhere in the universe. At least we astrophysicists hope so. After all, it's hard to unravel the complexities of distant parts of the universe if we don't know the basic rules. But what if this is...
PBS
Anti-Matter and Quantum Relativity
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.
Crash Course
The Apocalyspe: Crash Course World Mythology
Mike Rugnetta is going to tell you stories of death, destruction, divine judgment, damnation, and the occasional happy ending. That's right, this week we're talking about the Apocalypse. Actually we're talking about a bunch of ways the...
Crash Course
The Evolutionary Epic Crash Course Big History 5
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
PBS
Noether's Theorem and The Symmetries of Reality
Conservation laws are among the most important tools in physics. They feel as fundamental as you can get. And yet they're wrong - or at least they're only right sometimes. These laws are consequences of a much deeper, more fundamental...
PBS
Zero-Point Energy Demystified
Let's talk about the mysterious zero-point energy and what it really can, and really can't do.
TED-Ed
TED-Ed: Newton's three-body problem explained | Fabio Pacucci
In 2009, researchers ran a simple experiment. They took everything we know about our solar system and calculated where every planet would be up to 5 billion years in the future. They ran over 2,000 simulations, and the astonishing...
MinutePhysics
How to Tell Matter From Antimatter | CP Violation & The Ozma Problem
This video was made with the support of the Heising Simons Foundation. This video is about the Ozma problem of distinguishing the chirality (ie left-handedness or right-handedness) of matter using weak interaction processes like beta...
MinutePhysics
Do Cause and Effect Really Exist? (Big Picture Ep. 2/5)
Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! This video is about why there's no such thing as cause and effect at the level of fundamental particle physics, and how our...
TED-Ed
TED-Ed: Chris Anderson (TED): Questions no one knows the answers to
TED curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? And how many universes are there?
PBS
The Future of Space Telescopes
The Kepler mission has determined that terrestrial planets are extremely common, and may orbit most stars in the Milky Way. But these planets are difficult to directly image because they're dense and small. Our Sun is about ten billion...
PBS
The One-Electron Universe
Could it be that all the electrons in the universe are simply one, single electron moving back and forth through time?
MinutePhysics
Every Force in Nature (Theory of Everything, Part III)
In which we explain economic equilibrium, how to make money from nothing, and every fundamental force in physics.
Crash Course
The Big Bang: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and...
MinutePhysics
Is the Universe Entirely Mathematical feat. Max Tegmark
Is the Universe Entirely Mathematical feat. Max Tegmark
TED-Ed
TED-Ed: Could we harness the power of a black hole? | Fabio Pacucci
Imagine a distant future when humans reach beyond Earth, forge cities on planets thousands of light-years away, and maintain a galactic web of trade and transport. What would it take to make that leap? And where would we get enough...
Crash Course
Why Star Stuff Matters: Crash Course Big History 202
So, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it...
TED Talks
TED: Join the SETI search | Jill Tarter
The SETI Institute's Jill Tarter makes her TED Prize wish: to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the...
PBS
How to Build a Blackhole
Black holes have mystified physicists for decades, but with the help of quantum mechanics, we are beginning to make serious progress in understanding these strange objects. This week on Space Time, Matt dives deeper into the physical...
SciShow
10 Things We Didn't Know 100 Years Ago
In just the last century, we've made an astounding amount of scientific progress. And thanks to some of that progress, we can now share 10 of those discoveries with you in a video on the internet!
Crash Course
Love or Lust? Romeo and Juliet Part II: Crash Course English Literature
In which John Green returns to William Shakespeare's Romeo and Juliet to explore the themes of true love, lust, and whether Romeo and Juliet were truly, deeply in love, or they were just a pair of impetuous teens. How exactly did Romeo...
SciShow
4 of Physics’ (Other) Greatest Mysteries
Physicists are interested in the big questions like "Where did we come from?" and "What is all this stuff?". But the answers to some of these questions, just lead to more questions.