SciShow
Why Isn't "Zero G" the Same as "Zero Gravity"?
This Quick Question explains the difference between gravity and g-force, and how you can experience zero-g in space even when it’s not zero gravity!
SciShow
Space Guns Don't Work (But We Built One Anyway)
Before we had rockets like the Falcon 9, we had other ideas of how we might shoot for the moon: space guns!
TED-Ed
TED-Ed: Valentin Hammoudi: How tall can a tree grow?
Reaching heights of over 100 meters, Californian sequoias tower over Earth's other 60,000 tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than 130 meters. So what...
SciShow
Take a Ride on the Interplanetary Superhighway
Normal interplanetary travel uses lots of fuel, but taking advantage of some quirks of gravity can let us travel between planets using hardly any fuel at all.
SciShow
Why These Two Planets SHOULD Be the Same
You'd think that two planets with similar stats, orbits, and parent stars would grow up to be pretty similar, but these twins have atmospheres that beg to differ.
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
7 Ways We Know What's Inside the Earth
Thanks to some amazing scientific insights, we know a lot about the interior of our planet - even though we’ve never even made it through the crust.
SciShow
Why Doesn't Earth Have Rings?
Plenty of other planets in the Solar System have rings. So why not Earth?
SciShow
Skateboarding Science: Master the Ollie!
If most people got on a skateboard, they would roll forward slowly for a few feet, then fall down and break their wrists. But there are a proud few who can do some pretty amazing tricks on a board, and they use physics to pull them off....
MinutePhysics
What is Gravity?
In this episode, we discuss the basic nature of gravity, one of the four fundamental forces in our universe.
SciShow
Why Up Matters to Your Brain
Gravity may be doing a lot more than just keeping us planted on the Earth. Scientists are learning that it’s also a key player in how we perceive things.
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
New Evidence for Planet 9! SciShow News
Astronomers have found more evidence for Planet 9, but another study has added another problem to our list of space travel problems.
SciShow
Where Are All the Exo-Earths?
Scientists have discovered over 5,000 exoplanets in the last few decades, but where are the Exo-Earths?
Crash Course
Dark Energy, Cosmology part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
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...
SciShow
Can We Grow Plants On the Moon?
Despite how easy it looks in movies, growing plants on other planets is trickier than you might imagine.
SciShow
NASA's Ambitious Asteroid Mission
SciShow Space is one year old! And we’re celebrating by talking about new plans for a mission we told you about in our very first episode of SciShow News!
SciShow
How to Study String Theory Using X-Rays - SciShow News
Over the last few years astronomers have been doing more and more research based on string theory, and thanks to modern telescopes the results are... less than encouraging
Crash Course Kids
Designing a Trial
It's time to design some trials. Sometimes engineers need to figure out how to test ideas. In order to do that, we need to design trials to find failure points and see how things are going to work in the real world (with gravity, wind,...
SciShow
Reinventing the Wheel: 5 Species That Roll
If wheels and rolling have proven so efficient for humans, why hasn’t evolution pushed at least some other species in that direction? Well actually, there are a few species that can get around by rolling. Chapters View all GOLDEN WHEEL...
Bozeman Science
Gravitational Mass
In this video Paul Andersen explains how the gravitational mass is a measure of the force on an object in a gravitational field. The gravitational mass is based on the amount of material in an object and can be measured to a standard kg...
SciShow
How Do Those Rock Sculptures Stay Up?
You may have seen rock sculptures seemingly defying physics in your newsfeed, but what's actually happening?
Bozeman Science
Gravitational Force
In this video Paul Andersen explains how an object with mass placed in a gravitational field experiences a gravitational force. On the Earth this gravitational force is known as weight. The gravitational force is equal to the product of...