TED-Ed
TED-ED: How to create cleaner coal - Emma Bryce
It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage...
SciShow
The 2 Secrets to Sending People to Mars
Hank revisits his passion for exploring the Red Planet, breaking down the two biggest challenges of sending humans to Mars: radiation and propulsion. He explains the science behind the obstacles future Mars-bound astronauts will face, as...
SciShow
We’ve Found a New(ish) Type of Supernova
We’ve known about different types of supernovas for some time, but researchers now believe they have observed a previously unseen kind! And, sadly, the odds of life on Venus may not be as high as we once believed.
SciShow
What We Learned from the Apollo 1 Fire
The Apollo 1 fire was a tragedy and a huge wake-up call for NASA, causing them to get much more serious about their safety procedures and technology, and also changed their attitude towards spaceflight in general.
SciShow
Where Does the Candle Wax Go?
While not used much any more as a primary source of light, candles are still everywhere, from an aroma in a bathroom to a mood during dinner. That is, until they’re gone.
SciShow
How To Fly More Fuel-Efficiently
Airplanes use a lot of fuel, which means a lot of CO2 emissions. So, to help reduce the impact of aviation, engineers are looking to animals (like sharks) for some ways they can make airliners more efficient.
SciShow
The Science of Wildfires
So, what is fire, exactly? What causes fires in the wild, and how do we put them out? SciShow answers your burning questions about the science of fire. (See what we did there?)
SciShow
The Future of Air Travel
It used to be that you could get on a Concorde jet and fly across the Atlantic ocean faster than the speed of sound, but what does the future hold for supersonic flight?
SciShow
What are Those Things on Airplanes' Wings?
Have you ever wondered what those things are on airplane wings? You know, those little angled bits of metal? Watch to learn what they are and how they’re used!
SciShow
Can You Build Homes in Space With Blood?
If we hope to someday live on other worlds we need to figure out where we’re gonna lay our heads at “night.” But who would have thought we could use our own bodies as ingredients for our homes?!
SciShow
A Better Way to Do Nuclear Energy?
Nuclear energy has a bit of a bad rap, but there's an element out there that might make them safer and more efficient.
SciShow
Nitroglycerin: Explosive Heart Medication
Imagine a substance so powerful that it could blow you to bits or save your life depending on how you used it. Well imagine no more: such a substance exists and you've probably heard of it.
Crash Course
The Future of Clean Energy: Crash Course Engineering #31
This week we are exploring alternative energy sources. We'll look at how biomass can be burned as a fuel source, how hydrogen can be used in a fuel cell to generate electrical power, and how nuclear fission provides power to the grid....
SciShow Kids
Why Is Fire Hot?
Whether you're out camping, cooking, or snuggled up in front of your fireplace, you know that fire is hot! But why? Join Jessi and Squeaks to learn how fires turn wood or other fuel into useful heat!
SciShow
The World's First Human-Made Nuclear Reactor
Today on SciShow, Hank brings us a little science history, telling us the tale of the world's first human-made nuclear reactor, which was built by a team of scientists and students led by Enrico Fermi in a converted squash court under a...
TED Talks
Elon Musk: The mind behind Tesla, SpaceX, SolarCity ...
Entrepreneur Elon Musk is a man with many plans. The founder of PayPal, Tesla Motors and SpaceX sits down with TED curator Chris Anderson to share details about his visionary projects, which include a mass-marketed electric car, a solar...
Crash Course
Low Mass Stars
Today we are talking about the life -- and death -- of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years. More massive stars like the Sun live shorter lives. They fuse hydrogen into...
SciShow
How 19th Century Lighthouses Power Advanced Space Drives
The technology we use for space exploration gets more advanced all the time, but some of our most ambitious programs actually rely on optics invented in the 19th century for lighthouses.
SciShow
How to Build a Rocket Engine in Your Kitchen (Experiment Episode)
Hank demonstrates how to build a hybrid rocket engine in your kitchen!
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
SciShow
How the Keto Diet Went from Arctic Staple to Bro-Science
The keto diet is a high fat, low carb diet that proponents say is not just great for losing weight, but is good for your brain health, too. Does the science behind the diet back those claims up? We delve into the origin of the keto diet...
SciShow
Is Premium Gasoline Really Better for Your Car?
Are you slowly killing your car by using below average gas? Olivia talks about octane ratings and how your vehicle is designed to handle them.
SciShow
Lead: The Original Artificial Sweetener
Lead is really useful when you add it to things like paint and gasoline. Problem is, it's also poisonous.
TED Talks
Taylor Wilson: My radical plan for small nuclear fission reactors
Taylor Wilson was 14 when he built a nuclear fusion reactor in his parents' garage. Now 19, he returns to the TED stage to present a new take on an old topic: fission. Wilson, who has won backing to create a company to realize his...