TED Talks
Rose M. Mutiso: How to bring affordable, sustainable electricity to Africa
Energy poverty, or the lack of access to electricity and other basic energy services, affects nearly two-thirds of Sub-Saharan Africa. As the region's population continues to increase, so will the need to build a new energy system to...
TED-Ed
TED-Ed: Will future spacecraft fit in our pockets? - Dhonam Pemba
When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next wave of spacecraft were small enough to fit into our pockets? Dhonam Pemba details the future of microspacecraft,...
SciShow
Why Does the US Have So Many Power Outages?
The United States has a lot more power outages than other countries do, and fixing this problem will be a massive undertaking. Chapters View all Across the United States, the average customer loses power about once or twice a year, for a...
TED Talks
Donald Sadoway: The missing link to renewable energy
What's the key to using alternative energy, like solar and wind? Storage -- so we can have power on tap even when the sun's not out and the wind's not blowing. In this accessible, inspiring talk, Donald Sadoway takes to the blackboard to...
TED-Ed
TED-Ed: Can you solve the virus riddle? - Lisa Winer
Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you're just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be...
SciShow
Human Connectome
Hank briefs us on a fascinating project that aims to map the anatomical and functional pathways of the brain - a neural network called the human connectome.
TED-Ed
TED-ED: The complex geometry of Islamic design - Eric Broug
In Islamic culture, geometric design is everywhere: you can find it in mosques, madrasas, palaces, and private homes. And despite the remarkable complexity of these designs, they can be created with just a compass to draw circles and a...
PBS
General Relativity & Curved Spacetime Explained!
We've been through the first few episodes of our crash course on general relativity, and came out alive! But it's officially "time" for CURVED spacetime. Join Gabe on this week's episode of PBS Space Time as he discusses Newton and...
3Blue1Brown
Change of basis | Essence of linear algebra, chapter 9
What is a change of basis, and how do you do it?
TED Talks
Aparna Rao: Art that craves your attention
In this charming talk, artist Aparna Rao shows us her latest work: cool, cartoony sculptures (with neat robotic tricks underneath them) that play with your perception -- and crave your attention. Take a few minutes to simply be delighted.
TED Talks
Justin Hall-Tipping: Freeing energy from the grid
What would happen if we could generate power from our windowpanes? In this moving talk, entrepreneur Justin Hall-Tipping shows the materials that could make that possible, and how questioning our notion of 'normal' can lead to...
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.
TED-Ed
TED-Ed: What does the world's largest machine do? | Henry Richardson
In 1967, Homer Loutzenheuser flipped a switch and connected the power grids of the United States, forming one interconnected machine. Today, the US power grid is the world's largest machine, containing more than 7,300...
Be Smart
Can You Bend Light Like This?
The other day I got bored and noticed this weird thing happened when I held my finger up to my eye, so I had to science it and figure it out! Let me know if you try these light-bending experiments too, especially that last one that I...
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.
3Blue1Brown
Three-dimensional linear transformations | Essence of linear algebra, footnote
How to think of 3x3 matrices as transforming 3d space
3Blue1Brown
Visualizing the Riemann zeta function and analytic continuation
What is the Riemann zeta function? What is analytic continuation? This video lays out the complex analysis needed to answer these questions.
3Blue1Brown
Three-dimensional linear transformations | Essence of linear algebra, chapter 5
How to think of 3x3 matrices as transforming 3d space
3Blue1Brown
Visualizing the Riemann hypothesis and analytic continuation
What is the Riemann zeta function? What is analytic continuation? This video lays out the complex analysis needed to answer these questions.
SciShow
Why Wouldn’t You Put Your Wind Farm In the Windiest Place?
Wind is an ever increasing source of power worldwide, which means wind farms continue to be constructed. And choosing where to place those farms seems straightforward, but it might not actually be best to place the in the windiest places!
TED Talks
Neil Burgess: How your brain tells you where you are
How do you remember where you parked your car? How do you know if you're moving in the right direction? Neuroscientist Neil Burgess studies the neural mechanisms that map the space around us, and how they link to memory and imagination.
SciShow
How Do Touchscreens Work?
Ever wonder how your finger can magically control your smartphone screen? We explain in this episode of SciShow.
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
The determinant | Essence of linear algebra, chapter 6
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.