3Blue1Brown
What they won't teach you in calculus
A visual for derivatives which generalizes more nicely to topics beyond calculus.
3Blue1Brown
Inverse matrices, column space and null space | Essence of linear algebra, chapter 7
How do you think about the column space and null space of a matrix visually? How do you think about the inverse of a matrix?
Bozeman Science
Position vs. Time Graph - Part 2
Mr. Andersen shows you how to read a position vs. time graph to determine the velocity of an object. Objects that are accelerating are covered in this podcast. He also introduces the tangent line (or the magic pen).
SciShow
The Impossible Element Hiding in the Sun
Not all of the naturally occurring elements were discovered here on Earth. Helium was discovered by examining sunlight, and that same technique is now teaching us about the composition of distant galaxies.
TED Talks
Mark Kendall: Demo: A needle-free vaccine patch that's safer and way cheaper
One hundred sixty years after the invention of the needle and syringe, we're still using them to deliver vaccines; it's time to evolve. Biomedical engineer Mark Kendall demos the Nanopatch, a one-centimeter-by-one-centimeter square...
SciShow
What's Next for the James Webb Space Telescope
It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?
Crash Course
Before I Got My Eye Put Out - The Poetry of Emily Dickinson: Crash Course English Lit
In which John Green concludes the Crash Course Literature mini-series with an examination of the poetry of Emily Dickinson. Sure, John explores the creepy biographical details of Dickinson's life, but he also gets into why her poems have...
MinuteEarth
How Cats Became our Feline Overlords (ft. It's Okay To Be Smart)
Check out how cats became our favorite little murder machines. ___________________________________________ If you want to learn more about this topic, here are some keywords to get your googling started: Puma: The big cat with the...
TED Talks
Nancy Duarte: The secret structure of great talks
From the "I have a dream" speech to Steve Jobs' iPhone launch, many great talks have a common structure that helps their message resonate with listeners. In this talk, presentation expert Nancy Duarte shares practical lessons on how to...
SciShow Kids
How Does My Bike Stay Up? Physics for Kids
Ever wonder what keeps you from falling over when you’re riding your bike? Jessi, with the help of some other SciShow Kids, shows you the answer!
SciShow
Why We Don't Like to Wait
It can be frustrating to get stuck in line somewhere with no end to your wait in sight, but what about waiting is it that gets under our skin?
SciShow Kids
Lunar Eclipses
Did you know there will be a lunar eclipse this week? Jessi and Squeaks explore what causes lunar eclipses and why they can make the moon look red!
TED-Ed
TED-Ed: The rise and fall of the Kingdom of Man | Andrew McDonald
On a small island in the Irish Sea, fortresses preside over the rugged shores. This unlikely location was the birthplace of a medieval empire that lasted 200 years. Rulers built coastal fortresses on cliffs, roved the seaways, and threw...
Bozeman Science
Electric Field of a Sphere
In this video Paul Andersen explains how the electric field strength decreases as the square of the radius as you move away from a point charge, or a uniform distribution of charge on a sphere. This is a direct application of Coulomb's Law.
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,...
TED-Ed
TED-Ed: Can you solve the riddle and escape Hades? | Dan Finkel
The underworld is overcrowded, and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on the soul in front of it, they'll get...
SciShow
Why Do You Feel Like You’re Being Watched?
Sometimes it just feels like someone is staring at you, even if you can’t see them. It can be annoying, but our brains have a reason for it.
3Blue1Brown
Linear transformations and matrices | Essence of linear algebra, chapter 3
When you think of matrices as transforming space, rather than as grids of numbers, so much of linear algebra starts to make sense.
3Blue1Brown
But why is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
TED Talks
TED: The era of personal DNA testing is here | Sebastian Kraves
From improving vaccines to modifying crops to solving crimes, DNA technology has transformed our world. Now, for the first time in history, anyone can experiment with DNA at home, in their kitchen, using a device smaller than a shoebox....
SciShow
Will Stress Really Make You Go Gray?
Just like the myth that plucking one gray hair will make three sprout, stress making your hair white isn't actually a thing. Or is it?!
PBS
Dissecting Hypercubes with Pascal's Triangle
What does the inside of a tesseract look like? Pascal's Triangle can tell us.