TED Talks
Marc Bamuthi Joseph: "You Have the Rite"
In a breathtaking, jazz-inflected spoken-word performance, TED Fellow Marc Bamuthi Joseph shares a Black father's tender and wrenching internal reflection on the pride and terror of seeing his son enter adulthood.
3Blue1Brown
Vectors, what even are they? Essence of Linear Algebra - Part 1 of 15
What is a vector? Is it an arrow in space? A list of numbers?
SciShow
Why Are Your Headphones Always in a Knot
Is there any hope for those of us plagued by headphone tangles?
SciShow
Why Days Are Getting Longer
You can complain about having the longest day ever today, and here is the science to prove it!
SciShow
3 Neat Facts About Narwhals (Including: They're Real!)
In case you didn't know, not only are narwhals real, they're rad. Hank shares some little known facts about one of the least understood sea mammals, including some insights into why they're so hard to study, and what that big thing on...
MinuteEarth
Screens are NOT the reason kids need glasses 👀
Way more kids have fuzzy vision these days because we spend less time in outdoor light, which makes our eyeballs longer.
SciShow
A Farewell to the Arecibo Observatory | SciShow News
On December 1, 2020, Arecibo's long-story came crashing down to an end. While it's sad to see this monumental observatory go, it's worth looking back over the many discoveries it's made over the last 60 years.
SciShow
What If the Earth Stopped Spinning?
SciShow Space has a disaster movie pitch for Hollywood: what would happen if the earth stopped spinning?
3Blue1Brown
How to lie using visual proofs
Time stamps: 0:00 - Fake sphere proof 1:39 - Fake pi = 4 proof 5:16 - Fake proof that all triangles are isosceles 9:54 - Sphere "proof" explanation 15:09 - pi = 4 "proof" explanation 16:57 - Triangle "proof" explanation and conclusion
TED-Ed
TED-ED: What are gravitational waves? - Amber L. Stuver
In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they...
TED-Ed
TED-ED: The mighty mathematics of the lever - Andy Peterson and Zack Patterson
Archimedes once said "Give me a place to stand, and I shall move the Earth." While the idea of a person moving such a huge mass on their own might sound impossible, chances are you've seen this idea in action at your local playground....
TED Talks
Karl Skjonnemand: The self-assembling computer chips of the future
The transistors that power the phone in your pocket are unimaginably small: you can fit more than 3,000 of them across the width of a human hair. But to keep up with innovations in fields like facial recognition and augmented reality, we...
3Blue1Brown
Derivative formulas through geometry: Essence of Calculus - Part 3 of 11
Introduction to the derivatives of polynomial terms and trigonometric functions thought about geometrically and intuitively. The goal is for these formulas to feel like something the student could have discovered, rather than something...
SciShow
Why We Didn't Know How Long a Venus Day Was
Researchers have finally determined how long a day on Venus is, give or take an episode of Brooklyn 99.
Be Smart
Eight Incredible Deep Sea Oddities
We know more about some other planets than we do about the deepest corners of Earth's oceans, and the species we've found there are almost alien. Here's some of the most unbelievable oddities ever observed! Special thanks to the Monterey...
3Blue1Brown
Feynman's Lost Lecture (ft. 3Blue1Brown)
This video recounts a lecture by Richard Feynman giving an elementary demonstration of why planets orbit in ellipses. See the excellent book by Judith and David Goodstein, "Feynman's lost lecture”, for the full story behind this lecture,...
Bozeman Science
Harmonics
In this video Paul Andersen explains how the wavelength of a standing wave is determined by the boundary length and frequency of the wave. The fundamental frequency has a wavelength double the boundary length. Harmonics are built on the...
SciShow
Why Was the Islamic Golden Age of Science… Golden?
Around 750-1250 CE, the Islamic empire made incredible scientific advancements that still influence many fields of research today. What we know about some of the great minds of that time, as well as what we’ve learned from modern...
Be Smart
How the Meter Became The Meter
The meter is the world's ultimate measure, but how did it become "the" meter? What is this measurement based on? The story of this revolution in measurement traces its roots to the French Revolution. Scientists decided that an equal and...
SciShow
Why's a Meter a Meter?
Meter is the standard unit of length used by most countries around the world. But how did they define it?
Crash Course
Big Guns: The Muscular System - CrashCourse Biology
Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax.
Crash Course
Statics: Crash Course Physics
The Physics we're talking about today has saved your life! Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study of objects when they're NOT accelerating. In this episode of Crash Course...
TED-Ed
TED-ED: Making sense of irrational numbers - Ganesh Pai
Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or disrupt a sacred ritual? No, Hippasus's transgression was mathematically...
Crash Course
Temperature: Crash Course Physics
Bridges. Bridges don't deal well with temperature changes. In order to combat this, engineers have come up with some work arounds that allow bridges to flex as they expand or contract. In this episode of Crash Course Physics, Shini talks...