SciShow
Our New Galactic Neighborhood, and a Tar Comet?
SciShow Space shares the latest news from around the universe, including new insights into the giant supercluster of galaxies that we call home, and the first "data baby" from Rosetta's rendezvous with a comet.
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
Sarah Sze: How we experience time and memory through art
Artist Sarah Sze takes us on a kaleidoscopic journey through her work: immersive installations as tall as buildings, splashed across walls, orbiting through galleries -- blurring the lines between time, memory and space. Explore how we...
3Blue1Brown
Rediscovering Euler's formula with a mug (not that Euler's formula) - Part 4 of 4
A classic puzzle in graph theory, the "Utilities problem", a description of why it is unsolvable on a plane, and how it becomes solvable on surfaces with a different topology.
TED-Ed
TED-ED: Why Shakespeare loved iambic pentameter - David T. Freeman and Gregory Taylor
Shakespeare sometimes gets a bad rap in high schools for his complex plots and antiquated language. But a quick peek into the rhythm of his words reveals a poet deeply rooted in the way people spoke in his time - and still speak today....
Crash Course
Orbitals: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds....
SciShow
What Are Those Lines on My Nails?
You’ve probably had some. White lines or spots that appear and grow out with your nails. Why does this happen? There are a few reasons, ranging from bumping your nail to poisoning. Check out his Quick Question to see what might apply to...
TED-Ed
TED-Ed: Why is this painting so captivating? - James Earle and Christina Bozsik
On first glance, the painting Las Meninasc (The Maids of Honorc) might not seem terribly special, but it's actually one of the most analyzed pieces in the history of art. Why is this painting by Diego Velazquez so captivating? James...
SciShow
April 1st Episode - The Retro-Proto-Turbo-Encabulator
Hank brings us a special report on the retro-proto-turbo-encabulator, which could very well revolutionize...uh...something.
TED Talks
Anna Piperal: What a digital government looks like
What if you never had to fill out paperwork again? In Estonia, this is a reality: citizens conduct nearly all public services online, from starting a business to voting from their laptops, thanks to the nation's ambitious post-Soviet...
3Blue1Brown
Why is pi here? And why is it squared? A geometric answer to the Basel problem
A beautiful solution to the Basel Problem (1+1/4+1/9+1/16+...) using Euclidian geometry. Unlike many more common proofs, this one makes it very clear why pi is involved in the answer.
3Blue1Brown
The paradox of the derivative: Essence of Calculus - Part 2 of 11
An introduction to what a derivative is, and how it formalizes an otherwise paradoxical idea.
TED-Ed
TED-ED: How the world's first subway system was built - Christian Wolmar
It was the dawn of 1863, and London's not-yet-opened subway system - the first of its kind in the world - had the city in an uproar. Most people thought the project, which cost more than 100 million dollars in today's money, would never...
SciShow
How Encryption Keeps Your Data Safe
Keeping our data safe and secure is necessary in today's world, but a lot of the encryption we depend on has been in development for thousands of years!
Crash Course
Training Neural Networks
Today we’re going to talk about how neurons in a neural network learn by getting their math adjusted, called backpropagation, and how we can optimize networks by finding the best combinations of weights to minimize error. Then we’ll send...
TED Talks
Liz Diller: A new museum wing ... in a giant bubble
How do you make a great public space inside a not-so-great building? Liz Diller shares the story of imagining a welcoming, lighthearted -- even, dare we say it, sexy -- addition to the Hirshhorn Museum in Washington, DC. (From The Design...
TED Talks
Beau Lotto: Optical illusions show how we see
Beau Lotto's color games puzzle your vision, but they also spotlight what you can't normally see: how your brain works. This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what's...
3Blue1Brown
Science YouTubers attempting a graph theory puzzle
A classic puzzle in graph theory, the "Utilities problem", a description of why it is unsolvable on a plane, and how it becomes solvable on surfaces with a different topology.
TED Talks
Danny Hillis: Back to the future (of 1994)
From deep in the TED archive, Danny Hillis outlines an intriguing theory of how and why technological change seems to be accelerating, by linking it to the very evolution of life itself. The presentation techniques he uses may look...
SciShow
Not Every Egomaniac Has Narcissistic Personality Disorder
Professionally diagnosing narcissistic personality disorder is difficult for psychologists, partially because anyone who might have it just thinks they’re great!
TED Talks
Sarah Kay: "A Bird Made of Birds"
"The universe has already written the poem you were planning on writing," says Sarah Kay, quoting her friend, poet Kaveh Akbar. Performing "A Bird Made of Birds," she shares how and where she finds poetry. (Kay is also the host of TED's...
TED Talks
TED: Abundance is our future | Peter Diamandis
Onstage at TED2012, Peter Diamandis makes a case for optimism -- that we'll invent, innovate and create ways to solve the challenges that loom over us. "I’m not saying we don’t have our set of problems; we surely do. But ultimately, we...
TED-Ed
TED-ED: Why should you read Virgil's "Aeneid"? - Mark Robinson
In 19 BC, the Roman poet Virgil suffered heatstroke and died on his journey back to Italy. On his deathbed, he thought about the manuscript he had been working on for over ten years, an epic poem called the "Aeneid." Unsatisfied with the...
SciShow
Chimera Cats and Your Mom
Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be