PBS
Is Dark Matter Made of Particles?
By the time you've read this, a billion billion dark matter particles may have streamed through your body like ghosts. The particle or particles of the dark sector make up the vast majority of the mass of the universe - so to them, we're...
PBS
What Makes The Strong Force Strong?
Quantum mechanics gets weirder as you go to smaller sizes and higher energies. It’s strange enough for atoms, but positively bizarre when we get to the atomic nucleus. And today we’re going nuclear, as we dive into the weird world of...
PBS
The Equation That Explains (Nearly) Everything!
The Standard Model of particle physics is arguably the most successful theory in the history of physics. It predicts the results of experiments with a numerical precision unmatched by any other branch of science, and it does so almost...
PBS
Electroweak Theory and the Origin of the Fundamental Forces
Our universe seems pretty complicated. We have a weird zoo of elementary particles, which interact through very different fundamental forces. But some extremely subtle clues in nature have led us to believe that the forces of nature were...
PBS
What’s Wrong With the Big Bang Theory? | Space Time | PBS Digital Studios
Now that we have a primer on the aspects of the Big Bang Theory that we know definitely happened, let’s look further into what we don’t yet know, and how the theory could progress in the future. Since there is a discrepancy between...
PBS
The Trebuchet Challenge | Space Time
Kinetic and potential energy are defined as combinations of more basic quantities: position, velocity and mass. These combinations are chosen so that their sum is conserved. It’s actually remarkable that there’s any such combination of...
SciShow
Your Fridge Isn’t Green, but It Could Be
Refrigeration and air conditioning are among the largest sources of carbon, and the refrigerants we use are greenhouse gases, too. But green refrigerants are on the way, from elastocaloric cooling to a method a bit like salting an icy road.
SciShow
Why Are Champagne Bubbles So Tidy?
Have you ever noticed that the bubbles in your glass of Champagne are just.... fancier than other sparkling drinks? They form those lovely little columns of bubbles in a way that nothing else does - and it turns out there's some neat...
SciShow
The Weirdest Things That Sneezing Can Do To You
Chances are, the worst thing that's happened to you because of a sneeze is a snot rocket. But for these people, sneezing caused anything from damaged ears to a broken neck! But in one case, a sneezing fit saved one woman from needing...
MinuteEarth
What Happens When A Volcano Meets a Glacier?
Volcanoes might seem like an unstoppable force of nature - but there is at least one OTHER force on Earth that seems to be able to keep them down.
MinutePhysics
How to Simulate the Universe on your Laptop
One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!
MinutePhysics
General Relativity Explained in 7 Levels of Difficulty
This video covers the General theory of Relativity, developed by Albert Einstein, from basic simple levels (it's gravity, curved space) through to the concepts of how curved spacetime is represented by psuedo-Riemannian manifolds with...
SciShow
7 Myths About Movement
Bumblebees fly, lights turn on, and you can ride a bike without falling over. We all know these things to be true, but what you may not know is the real reason behind why they work. Join Olivia to bust seven myths about motion.
SciShow
What is Wind?
We all know that warm air rises, but how does this scientific fact influence our weather and create those flows of air molecules that we know of as wind? In this episode of SciShow, Hank explains where wind comes from, what factors...
SciShow
What Happens When Matter is Pushed to the Extreme
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
SciShow
Can You Rip a Phone Book in Half?
If you can find a phone book these days, science is here to help you rip it in half with your bare hands!
SciShow
The Engineering Secrets of the World's Toughest Beetle
This arthropod may look modest, but it actually used brilliant engineering to become the world’s most resilient beetle - and we might be able to use its design for our own engineering purposes.
SciShow
How Quantum Mechanics Affects Your Life
While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face!
SciShow
Why the Weak Nuclear Force Ruins Everything
The weak force has been causing trouble for a century, ruining everything physicists thought was true. But it might actually be responsible for your very existence.
TED-Ed
TED-Ed: The battle that formed the universe | Fabio Pacucci
It's time for the biggest battle in the Universe: the Big Bang. In one corner is gravity— the force that brings all matter together. In the other is pressure— the force that can push matter away. Over the next several hundred thousand...
SciShow Kids
Squeak's First Flight! | The Science of Flying | SciShow Kids
Jessi and Anthony have been helping Squeaks learn all about flying before his big airplane ride to the robot museum so he isn’t so nervous! Here’s everything they learned together!
SciShow Kids
How Airplanes Fly! | Airplane Science | SciShow Kids
As Squeaks continues to prepare for his big trip on a plane, he and Jessi learn the science behind how airplanes fly!
TED-Ed
TED-Ed: How do airplanes stay in the air? | Raymond Adkins
By 1917, Albert Einstein had explained the relationship between space and time. But, that year, he designed a flawed airplane wing. His attempt was based on an incomplete theory of how flight works. Indeed, insufficient and inaccurate...
PBS
In Afghanistan, Fighting The Taliban Increasingly Involves Covert Operations
The U.S. has been fighting in Afghanistan since shortly after 9/11, ousting the Taliban and their harsh interpretation of Islam from power that fall. But the insurgent group as which it reformed has plagued Afghanistan with violence ever...