TED Talks
TED: How do you build a sacred space? | Siamak Hariri
To design the Baha' Temple of South America, architect Siamak Hariri focused on illumination -- from the temple's form, which captures the movement of the sun throughout the day, to the iridescent, luminous stone and glass used to...
TED-Ed
TED-Ed: Gerrymandering: How drawing jagged lines can impact an election - Christina Greer
District lines, and the groups of voters within them, may seem arbitrary, but a lot of thought (and political bickering) is put into these carefully drawn lines. From "packing" a district to "cracking" a district--learn how the shape of...
TED Talks
Matt Kenyon: A secret memorial for civilian casualties
In the fog of war, civilian casualties often go uncounted. Artist Matt Kenyon, whose recent work memorialized the names and stories of US soldiers killed in the Iraq war, decided he should create a companion monument, to the Iraqi...
3Blue1Brown
Divergence and curl: The language of Maxwell's equations, fluid flow, and more
Intuitions for divergence and curl, and where they come up in physics.
PBS
Can a Circle Be a Straight Line?
On this week's episode of Spacetime, Gabe talks about what it actually means for a line to be straight so we can better understand what we mean by the idea of "curved Spacetime". This is Part One of our series on General relativity, so...
SciShow
Venomous Mammals, Sensory Receptors & the Moon's True Origin Story
Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from -...
SciShow
This Illusion Might Not Work Depending on Where You're From
Optical illusions are a fun way to play with the way your brain interprets what your eyes see, but if some of them don't work for you, it might be because of where you live.
TED-Ed
TED-ED: What is abstract expressionism? - Sarah Rosenthal
If you visit a museum with a collection of modern and contemporary art, you're likely to see works that sometimes elicit the response, _My cat could make that, so how is it art?" But is it true? Could anyone create one of Jackson...
PBS
Can You Trust Your Eyes in Spacetime?
Last time we talked about what curvature means, looked at geodesics, great circles on spheres, and tried to understand the notion of "straightness". This week on Spacetime, we take a detour into how geometry works in spacetime. Get...
MinutePhysics
Tutorial - Creating the Sound of Hydrogen
In this tutorial I show how I synthesized the sound of hydrogen for the "Sound of Hydrogen" video using mathematica - it's a little technical, but you've been requesting it!
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-Ed
TED-Ed: Why are manhole covers round? - Marc Chamberland
Why are most manhole covers round? Sure it makes them easy to roll, and slide into place in any alignment. But there's another, more compelling reason, involving a peculiar geometric property of circles and other shapes. Marc Chamberland...
SciShow
How Do Touchscreens Work?
Ever wonder how your finger can magically control your smartphone screen? We explain in this episode of SciShow.
3Blue1Brown
Euler's Formula and Graph Duality
A very clever proof of Euler's characteristic formula using spanning trees.
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.
SciShow Kids
Get to Know Your Galaxy!
Have you ever thought about what's beyond our solar system? Think real big, because we're about to explore galaxies!
Crash Course
Machine Learning & Artificial Intelligence: Crash Course Computer Science
So we've talked a lot in this series about how computers fetch and display data, but how do they make decisions on this data? From spam filters and self-driving cars, to cutting edge medical diagnosis and real-time language translation,...
Crash Course
Bonding Models and Lewis Structures: Crash Course Chemistry
Models are great, except they're also usually inaccurate. In this episode of Crash Course Chemistry, Hank discusses why we need models in the world and how we can learn from them... even when they're almost completely wrong. Plus, Lewis...
TED-Ed
TED-ED: Did Shakespeare write his plays? - Natalya St. Clair and Aaron Williams
Some people question whether Shakespeare really wrote the works that bear his name _ or whether he even existed at all. Could it be true that the greatest writer in the English language was as fictional as his plays? Natalya St. Clair...
MinutePhysics
How to Count Infinity
"Some infinities are bigger than other infinities" - Hazel Grace Lancaster, in "The Fault in Our Stars," by John Green
Crash Course
Electric Fields: Crash Course Physics
As we learn more about electricity, we have to talk about fields. Electric fields may seem complicated, but they're really fascinating and a crucial part of physics. In this episode of Crash Course Physics, Shini chats about capacitors,...
SciShow
5 Things Your Nails Can Say About Your Health
Your nails can do more than just look pretty. They can tell you some things about your health!
Bozeman Science
Equipotential Lines
In this video Paul Andersen explains how equipotential lines show equal electric potential in an electric field. Equipotential lines can be created from scalar values or by observing the electric field lines. An charged object can move...
3Blue1Brown
Why slicing a cone gives an ellipse
A beautiful proof of why slicing a cone gives an ellipse.