PBS
What If Gravity is Not Quantum?
New ReviewThe holy grail of theoretical physics is to come up with a quantum theory of gravity. But after a century of trying we really have no idea how close we are, or it it's even possible. But we shouldn't feel bad because it turns out that...
PBS
What If the Cosmological Constant Is Not Constant?
New ReviewWe know that the universe is getting bigger. And we know that the speed that the universe is getting bigger is also getting bigger. The standard assumption is that the acceleration rate is itself constant, which will surely result in...
Be Smart
The Biggest Myth About Innovation
New ReviewThe idea of the lone genius creating everything isn’t just misleading. It’s harmful and wrong. Innovation thrives when people work together, and rather than nice linear paths, new ideas come from chance events and unexpected connections....
PBS
Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios
Planck's Length is the length below which the concept of length loses its meaning. What exactly does that mean and what are the incredible implications this fact has upon our reality? To find out check out this episode of Space Time...
PBS
The Quantum Experiment that Broke Reality | Space Time | PBS Digital Studios
The double slit experiment radically changed the way we understand reality. Find out what the ramifications of this experiment were and how we can use it to better comprehend our universe.
PBS
Will the Universe Expand Forever?
Throughout history, there has been much speculation about what the fate of the universe would be. Many theorized that the universe would eventually succumb to the pull of gravity, and reverse its expansion in what was being called ‘The...
Be Smart
When Is Now?
When is now? Seems like a pretty simple question… just look at your watch. But do you and I share the same “now”? Let’s journey from Einstein’s thought experiments about relativity to cutting edge neuroscience research to try and answer...
SciShow
The Amazing and Delicate World of Bees
Yes, there is a chance they might sting you, but bees are incredibly vital to our ecosystem as we know it. Join Hank for a compilation of our favorite bee episodes—we know this one is a real stinger! We mean, zinger!
SciShow
What Really Happened the First Time We Split a Heavy Atom in Half
When scientists first split the atom, they didn’t realize what they’d done until physicist Lise Meitner figured out they had discovered what we now call nuclear fission.
SciShow
5 Scientists Too Smart for Their Time
You often hear of brilliant scientific discoveries that took decades to become recognized, often by scientists too smart for their time! Join Hank and look back on a few of our episodes about scientists who deserve a little more...
SciShow
How Worried Should We Be About the Bees?
You’ve probably heard about how the extinction of honeybees will lead to some sort of bee-pocalypse doomsday scenario for humanity. But what would actually happen if all the honeybees went extinct?
SciShow
20 Minutes of Amazing Stuff About Bees
Bees, they're important and amazing creatures, and with spring on the way we thought we'd share another round of our favorite bee episodes.
TED Talks
Tim Harford: A powerful way to unleash your natural creativity
What can we learn from the world's most enduringly creative people? They "slow-motion multitask," actively juggling multiple projects and moving between topics as the mood strikes -- without feeling hurried. Author Tim Harford shares how...
SciShow
Why Scientists Keep Trying to Break This 18th Century Law
It’s usually not a great idea to break laws, but breaking the laws of science is an exception! In fact, it’s often how we make progress.
TED Talks
AJ Jacobs: The world's largest family reunion ... we're all invited!
You may not know it yet, but AJ Jacobs is probably your cousin (many, many times removed). Using genealogy websites, he's been following the unexpected links that make us all, however distantly, related. His goal: to throw the world's...
SciShow
Gravitation: The Four Fundamental Forces of Physics #3
Hank continues our series on the four fundamental forces of physics with a description of gravitation -the interaction by which physical bodies attract with a force proportional to that of their masses, and which is responsible for...
SciShow
3 Ways Pi Can Explain Practically Everything
What’s irrational and never ends? Pi! Hank explains how we need pi to explain some of the most basic but most important principles of the universe, in honor of Pi Day.
SciShow
The Tiny Planet Revealing Gravity’s Big Secrets
Mercury’s path through our solar system is, well, a little eccentric, and some of its movements were a mystery astronomers couldn’t explain for a long time. Then, in the early 20th century, Einstein reran the numbers and proved a whole...
Crash Course
Karl Popper, Science, & Pseudoscience: Crash Course Philosophy
The early 1900s was an amazing time for Western science, as Albert Einstein was developing his theories of relativity and psychology was born, as Sigmund Freud and psychoanalysis took over the scientific mainstream. Karl Popper observed...
SciShow
How To X-Ray A Black Hole
Black holes are everywhere, including at the center of our galaxy. But because they’re invisible they’re quite difficult to study. Looking at the disks of material surrounding them, however, can give us tons of clues about how they...
Bozeman Science
Wave-Particle Duality - Part 2
In this video Paul Andersen explains how classical waves (like light) can have particle properties. Albert Einsetein used the photoelectric effect to show how photons have particle properties.
Bozeman Science
Spacetime
In this video Paul Andersen explains how the dimensions of space and time are combined in relativistic mechanics. Gravity and velocity can affect both space and time according to Albert Einstein's Special Law of Relativity.
SciShow
Great Minds: James Clerk Maxwell, Electromagnetic Hero
Saturn’s rings, colored photography, and the discovery of electromagnetic waves all have have one thing in common. James Clerk Maxwell. Discover for yourself all the amazing contributions Maxwell made to science.