MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
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.
MinutePhysics
TOP 10 REASONS Why We Know the Earth is Round
TOP 10 REASONS Why We Know the Earth is Round
SciShow Kids
Think Like an Engineer: The BEST Solution! | SciShow Kids
Squeaks, Jessi, and the gang have all designed rafts for our friend Juniper to ride. Now, we'll think like engineers by testing our designs, comparing them, and improving them to make the very best raft we can!
SciShow
Why Does Physics Love Donuts? | Compilation
Unfortunately, the universe isn't made of sugarcoated fried dough. However, here are a few ways donuts are still managing to find their way into the physical world.
PBS
Secrets of the Cosmic Microwave Background
Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio produced by our noisy pre-galactic civilization. But around one percent of that buzz is something very different –...
TED-Ed
TED-Ed: Can you solve the time traveling car riddle? | Daniel Finkel
You and the professor have driven your DeLorean back to the past to fix issues with the spacetime continuum caused by your time traveling. But another DeLorean appears with older versions of you and the professor. The professors panic...
SciShow
This Squid Glows… To Make Itself Invisible
When you live in the ocean, it can be hard to find ways to keep hidden from predators, or from your own prey. But these three animals have found clever ways to stay hidden, by using light to their advantage. One of them even /makes...
MinutePhysics
General Relativity Explained in 7 Levels of Difficulty
This video covers the General theory of Relativity, developed by Albert Einstein, from basic simple levels (it's gravity, curved space) through to the concepts of how curved spacetime is represented by psuedo-Riemannian manifolds with...
SciShow
The Mollusk Hiding Rare Minerals in its Teeth
Chitons are constantly scraping their teeth on rocks to eat the algae off of them, but that means their teeth need to be pretty tough. And it turns out one species's teeth are the hardest, stiffest biominerals in any living thing we've...
SciShow
Why Do the Planets Orbit in the Same Plane?
While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that?
SciShow Kids
How Airplanes Fly! | Airplane Science | SciShow Kids
As Squeaks continues to prepare for his big trip on a plane, he and Jessi learn the science behind how airplanes fly!
TED-Ed
TED-Ed: 6 myths about the Middle Ages that everyone believes | Stephanie Honchell Smith
Medieval Europe. Where unbathed, sword-wielding knights ate rotten meat, thought the Earth was flat, defended chastity-belt wearing maidens, and tortured their foes with grisly gadgets. Except... this is more fiction than fact. So, where...
Bozeman Science
Contour Lines
In this video Paul Andersen explains how contour lines show areas of equal elevation or equal gravitational potential. Contour lines are used as an analogy for lines of equipotential in electric fields.
Be Smart
A Slice of Pizza Science!
How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light?
SciShow Kids
Parachute Adventure! - #sciencegoals
Today is exciting, because Jessi and Squeaks are making parachutes! Tag along to learn how you can make your own, and what forces are being used to make your parachute work!
SciShow
The Mollusk Hiding Rare Minerals in its Teeth
Chitons are constantly scraping their teeth on rocks to eat the algae off of them, but that means their teeth need to be pretty tough. And it turns out one species's teeth are the hardest, stiffest biominerals in any living thing we've...
SciShow
This Plant Attracts Bats With a Satellite Dish
Most plants use colorful flowers to attract their favorite pollinators. But Marcgravia evenia is trying to attract bats, so it needs to do things a little differently, leading to some unique-shaped leaves.
TED-Ed
TED-ED: The evolution of the book - Julie Dreyfuss
What makes a book a book? Is it just anything that stores and communicates information? Or does it have to do with paper, binding, font, ink, its weight in your hands, the smell of the pages? To answer these questions, Julie Dreyfuss...
SciShow
The “Devil’s Staircase” Shows Why Earthquakes Are Hard to Predict
Devastating earthquakes happen every year, and it's difficult to predict when they will happen. But they do follow one mathematical pattern known as the Devil's staircase.