SciShow
The Invisible Gas That Gave Us Galaxies
More than half of all the matter in the universe is out in the dark, 'empty space.' Although it's basically invisible, the intergalactic medium has a lot to tell us about the stuff we can see.
SciShow
Journey to the Center of a Neutron Star
There are a lot of incredible things in space, but neutron stars are some of the most mind-blowing. From liquid plasma oceans on the surface to a possible neutron superfluid in the core — as you go deeper into a neutron star, the physics...
MinutePhysics
Why is Relativity Hard? | Special Relativity Chapter 1
Thanks to my friend Mark Rober for making the spacetime globe, and to Grant Sanderson (3blue1brown) for inspiration. This is the first in a series of videos about special relativity. This is definitely not an academic course, but it's...
SciShow
3 Great Discoveries of 2014
SciShow News explains the amazing discoveries behind this year’s Nobel Prizes, from the invention that made LED bulbs possible to discovering how our “inner GPS” works!
TED-Ed
TED-Ed: Is time travel possible? - Colin Stuart
Time travel is a staple of science fiction stories, but is it actually possible? It turns out nature does allow a way of bending time, an exciting possibility suggested by Albert Einstein when he discovered special relativity over one...
Crash Course Kids
Spaced Out
So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it.
MinutePhysics
2012 Nobel Prize - How Do We See Light
What was the 2012 Nobel Prize in physics given for? Capturing a single photon of light!
SciShow
Why Do These Trees Refuse to Touch?
There are a few forests out there where the trees seem to be especially... polite. Can scientists explain why these species give each other space?
SciShow
3 Brand New Colors That Scientists Discovered
For millennia, we mostly had to make do with natural pigments and dyes, but in the last 300 years or so, chemical synthesis has revolutionized the colors of our world.
SciShow
How Jupiter’s Moons Showed Us the Speed of Light
Light travels through space as fast as anything in the universe possibly can, but before scientists could figure out light’s speed, they had to figure out whether that speed was even finite.
SciShow
Can Plants Get Sunburned?
Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?
TED-Ed
TED-Ed: Illuminating photography: From camera obscura to camera phone - Eva Timothy
The origins of the cameras we use today were invented in the 19th century. Or were they? A millenia before, Arab scientist Alhazen was using the camera obscura to duplicate images, with Leonardo da Vinci following suit 500 years later...
TED-Ed
TED-ED: The death of the universe - Ren_e Hlozek
The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and planets), but mostly dark matter and dark energy; and we know that...
SciShow
3 Body Hacks For Stargazers
Before you head out on your next stargazing adventure, SciShow Space has some tips for you.
SciShow Kids
Meet Your Tonsils!
Has your doctor ever asked you to stick out your tongue and say "ah"? They're probably checking out your tonsils! But what are your tonsils, and what do they do?
TED Talks
John Lloyd: An inventory of the invisible
Nature's mysteries meet tack-sharp wit in this hilarious, 10-minute mix of quips and fun lessons, as comedian, writer and TV man John Lloyd plucks at the substance of several things not seen.
SciShow Kids
Build the Best Solar Oven Ever! | Engineering Project
Mister Brown and Squeaks decide to design a solar oven, so they can cook their lunch while they play outside!
SciShow
Antimatter Light Spectrum Discovered!
Scientists were able to measure the emission lines of antimatter! And we may have some new clues about how dinosaurs lost their teeth on the way to becoming birds.
Crash Course
Dissecting The Camera: Crash Course Film Production
Sometimes the most intimidating part of making a movie is that little box of concentrated technology called "The Camera." But, FEAR NOT! In this episode of Crash Course Film Production, Lily helps us dissect the basics of modern movie...
SciShow
How Quantum Mechanics Saved Physics From Ovens
You might think that quantum physics was discovered because of some super complicated electron behavior or something, but it was actually invented to explain ovens.
TED-Ed
TED-Ed: Einstein's twin paradox explained | Amber Stuver
On their 20th birthday, identical twin astronauts volunteer for an experiment. Terra will remain on Earth, while Stella will board a spaceship. Stella's ship will travel to visit a star that is 10 light-years away, then return to Earth....