SciShow
The Biggest Telescope EVAR!
Their return was delayed for a while, but three ISS crew members are finally home. Plus, engineers have started assembling the Giant Magellan Telescope!
Crash Course Kids
Danger! Falling Objects
So, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than...
SciShow
The Times and Troubles of the Scientific Method
UPDATE: We got a couple of things wrong when it comes to gravity (particularly that it has nothing to do with photons). Science is working tirelessly night and day to disprove its own theories about how the universe works (or at least,...
Bozeman Science
PS2B - Types of Interactions
Paul Andersen explains how objects interact when touching and at a distance. Electromagnetic forces are very important when objects are touching and fields explain both electromagnetic and gravitational forces. The strong and weak...
Bozeman Science
Equivalence Principle
In this video Paul Andersen explains how inertial mass and gravitational mass are equivalent. He shows you too simple methods for calculated individual inertial mass and gravitational mass. Albert Einstein used this principle to build...
Bozeman Science
Thinking in Matter & Energy - Level 5 - Cycles and Flows
In this video Paul Andersen shows conceptual thinking in a mini-lesson on cycles and flows in matter and energy. Two examples are included in the video and two additional examples are included in the linked thinking slides. TERMS Cycling...
SciShow
3 Big Discoveries Made by the International Space Station
We all know it's awesome, and we could watch Chris Hadfield sing all day, but do you know about the awesome science that's being done on the International Space Station? Hank explains three big discoveries made on the ISS that you should...
SciShow
What If the Large Hadron Collider Made a Black Hole?
Making a black hole in a particle accelerator sounds… a bit dangerous, to say the least, but scientists think that it could be possible! Here's why it probably wouldn't be dangerous -- and might even teach us something.
MinutePhysics
What is Sea Level
An oblate spheroid is a special case of an ellipsoid where two of the semi-principal axes are the same size.
TED-Ed
TED-Ed: A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
Out of billions of galaxies and billions of stars, how do we find Earth-like habitable worlds? What is essential to support life as we know it? Ariel Anbar provides a checklist for finding life on other planets.
SciShow
The First Few Moments That Physics Can't Explain
Although science has provided astounding insights into the origins of the universe, we're still not quite sure what happened in those very first few moments.
SciShow
Will Space Settlers Live in Fungi Buildings?
What if we could grow buildings on other worlds? Researchers are looking to fungi to help us colonize the stars
TED Talks
Tom Shannon: Anti-gravity sculpture
Tom Shannon shows off his gravity-defying, otherworldly sculpture -- made of simple, earthly materials -- that floats and spins like planets on magnets and suspension wire. It's science-inspired art at its most heavenly.
MinutePhysics
What is Fire?
In this episode we explain why fire is red, gas flames are blue, and why you're too cool to glow.
SciShow
The Physics of "Punkin Chunkin"
"Punkin Chunkin" is the United State's annual contest to see whose homemade machine can hurl a pumpkin the farthest (without explosives!). Every November, thousands of amateur engineers converge on a farm in Delaware to put their...
SciShow
How Tall Can Mountains Get?
The Himalayas are well known for containing the highest elevations on Earth, but can they get higher or is there something putting a stop to their lofty pursuits?
SciShow
So, Negative Gravity Is a Thing
In nature, most of our basic forces both attract and repel. In fact, gravity is the only exception. But, according to theorists, sound waves actually have negative gravity.
SciShow
The Future of Interstellar Communication
How will we communicate with the ships that we send to other stars? Scientists think the answer might involve using the sun as a giant lens to strengthen the signal.
SciShow
Earth's Not-So-Juicy Center
Hank takes us on a journey to center of the Earth to explain both how the solid core formed and why it is so important for life as we know it.
MinutePhysics
The Man Who Corrected Einstein
This video is about how Russian physicist Aleksandr Fridman corrected Albert Einstein about the expansion of the universe. Einstein thought that general relativity implied that space had to be static and unchanging, but he had made a...
SciShow
What Is Gravitational Lensing?
Learn more about gravitational lensing with host Caitlin Hofmeister.
TED-Ed
TED-Ed: Would you weigh less in an elevator? - Carol Hedden
What happens when you jump in a moving elevator? Do you weigh more when you're going up and less when you're going down? Carol Hedden explores the relationship between gravity, weight, and relative motion, using a moving elevator to...
SciShow
What's Next for the James Webb Space Telescope
It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?