3Blue1Brown
Abstract vector spaces | Essence of linear algebra, chapter 15
What is a vector space? Even though they are initial taught in the context of arrows in space, or with vectors being lists of numbers, the idea is much more general and far-reaching.
3Blue1Brown
Inverse matrices, column space and null space | Essence of linear algebra, chapter 6
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?
TED Talks
TED: How wind energy could power Earth ... 18 times over | Dan Jørgensen
Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.)...
PBS
The Race to a Habitable Exoplanet - Time Warp Challenge
You've discovered a habitable exoplanet, but so has an an evil interplanetary mining corporation. Can you get to the planet before they strip it bare and leave it unsuitable for life? You're going to need a ship, the Lorentz...
TED Talks
Peter Reinhart: The art and craft of bread
Batch to batch, crust to crust ... In tribute to the beloved staple food, baking master Peter Reinhart reflects on the cordial couplings (wheat and yeast, starch and heat) that give us our daily bread. Try not to eat a slice.
TED Talks
TED: How to find joy in climate action | Ayana Elizabeth Johnson
We can all play a role in the climate movement by tapping into our skills, resources and networks in ways that bring us satisfaction, says climate leader Ayana Elizabeth Johnson. She suggests drawing a Venn diagram to map these...
TED-Ed
TED-Ed: Are locust plagues unstoppable? | Jeffrey A. Lockwood
A ravenous swarm stretches as far as the eye can see. It has no leader or strategic plan; its only goals are to eat, breed, and move on. These are desert locusts— infamous for their capacity for destruction. But most of the time desert...
TED Talks
TED: How an old loop of railroads is changing the face of a city Ryan Gravel
Urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....
TED Talks
TED: How an old loop of railroads is changing the face of a city | Ryan Gravel
urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....
3Blue1Brown
Dot products and duality: Essence of Linear Algebra - Part 9 of 15
What is the dot product? What does it represent? Why does it have the formula that it does? All this is explained visually.
PBS
The Speed of Light is NOT About Light
The speed of light is often cited as the fastest anything can travel in our universe. While this might be true, the speed of light is the EFFECT and not the CAUSE of this phenomenon. So what's the cause? On this week's episode of Space...
3Blue1Brown
Nonsquare matrices as transformations between dimensions | Essence of linear algebra, footnote
How do you think about a non-square matrix as a transformation?
TED Talks
TED: 5 ways to lead in an era of constant change | Jim Hemerling
Who says change needs to be hard? Organizational change expert Jim Hemerling thinks adapting your business in today's constantly-evolving world can be invigorating instead of exhausting. He outlines five imperatives, centered around...
3Blue1Brown
Change of basis | Essence of linear algebra, chapter 9
What is a change of basis, and how do you do it?
MinutePhysics
The No Cloning Theorem
Why you can’t clone Schrödinger’s cat: this video presents the full proof of the “No Cloning” Theorem in Quantum Mechanics – without any fancy math! (stereotypical qubit has been replaced with Schrödinger’s cat). The full proof relies on...
3Blue1Brown
The determinant: Essence of Linear Algebra - Part 6 of 15
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
Crash Course
Determining SN1, SN2, E1, and E2 Reactions: Crash Course Organic Chemistry
Organic chemistry isn’t that different from an adventure game, with substrates as characters, nucleophiles as magic potions, and reaction conditions as different magical kingdoms. In this episode of Crash Course Organic Chemistry, we’ll...
MinutePhysics
Relativity of Simultaneity | Special Relativity Ch. 4
The previous videos in this series: Chapter 1: Why Relativity is Hard Chapter 2: Spacetime Diagrams Chapter 3: Lorentz Transformations This video is chapter 4 in my series on special relativity, and it covers how things that appear...
Crash Course Kids
Vegetation Transformation
Have you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This...
PBS
Quantum Physics in a Mirror Universe
When you look in mirror, and see what you think is a perfect reflection, you might be looking at universe whose laws are fundamentally different.
3Blue1Brown
Matrix multiplication as composition | Essence of linear algebra, chapter 4
How to think about matrix multiplication visually as successively applying two different linear transformations.
3Blue1Brown
Nonsquare matrices as transformations between dimensions: Essence of Linear Algebra - Part 8 of 15
How do you think about a non-square matrix as a transformation?
3Blue1Brown
Cross products: Essence of Linear Algebra - Part 10 of 15
The cross product is a way to multiple to vectors in 3d. This video shows how to visualize what it means.
3Blue1Brown
The determinant | Essence of linear algebra, chapter 5
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.