SciShow
How to Take a Picture of a Black Hole - SciShow News
For the first time ever we have visual confirmation that black holes actually exist and we got it with a telescope the size of our planet.
SciShow
Why Solar Eclipses Create Those Crescent-Shaped Lights
Everyone is watching the sky during a solar eclipse, but but if you look down, you'll catch another kind of light show.
3Blue1Brown
Gradient descent, how neural networks learn | Chapter 2, deep learning
An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.
TED Talks
TED: How to land on a comet | Fred Jansen
As manager of the Rosetta mission, Fred Jansen was responsible for the successful 2014 landing of a probe on the comet known as 67P/Churyumov-Gerasimenko. In this fascinating and funny talk, Jansen reveals some of the intricate...
TED Talks
Ananda Shankar Jayant: Fighting cancer with dance
Renowned classical Indian dancer Ananda Shankar Jayant was diagnosed with cancer in 2008. She tells her personal story of not only facing the disease but dancing through it, and gives a performance revealing the metaphor of strength that...
TED Talks
Marco Tempest: The electric rise and fall of Nikola Tesla
Combining projection mapping and a pop-up book, Marco Tempest tells the visually arresting story of Nikola Tesla -- called "the greatest geek who ever lived" -- from his triumphant invention of alternating current to his penniless last...
Crash Course
The Golden Age of Hollywood: Crash Course Film History
It's time for the glitz and the glamour of big motion pictures that helped keep American spirits up during and after the Great Depression. Sound was a huge change to motion pictures, but there were still a few technological innovations...
SciShow
An Earth-Sized Telescope Just Snapped Two Pictures
We may soon have a direct image of a black hole, and we have the first detection of an atmosphere on an Earth-sized exoplanet!
TED Talks
TED: A smog vacuum cleaner and other magical city designs | Daan Roosegaarde
Daan Roosegaarde uses technology and creative thinking to produce imaginative, earth-friendly designs. He presents his latest projects -- from a bike path in eindhoven, where he reinterpreted "The Starry Night" to get people thinking...
SciShow
Why Does Time Slow Down During Car Accidents?
The sensation of time slowing down during intense situations is a commonly reported phenomenon, but what's actually going on?
SciShow
Why You Don't Really Know the Size of a Walrus
When you imagine a walrus, you probably picture it way smaller than it actually is. It’s because our brains meddle with our senses in more ways than you might expect.
SciShow
Why We Love Movie Villains (According to Psychology)
Sometimes we find ourselves falling for the cute vampire or German bank robber, and this might say a lot about how we think about ourselves.
TED Talks
TED: Online video -- annotated, remixed and popped | Ryan Merkley
Videos on the web should work like the web itself: dynamic, full of links, maps and information that can be edited and updated live, says Ryan Merkley. On the TED stage he demos Mozilla's Popcorn Maker, a web-based tool for easy video...
SciShow
Does the Camera Really Add Ten Pounds?
Your friend just tagged you in 17 photos on Facebook but you swear those photos lie about your weight. Is the camera playing tricks with your eyes?
SciShow
Cheating Can Be Hazardous to Your Health
Hank brings you news from around the universe, including what you can't blame on global warming, why being unfaithful is hazardous to your health, and how to watch a particularly awesome spectacle coming to a sky near you.
SciShow
3 Ways Physics Can Help Us Understand the Brain
Brains are mysterious! Living brains are particularly tough to study, but sometimes scientists can use techniques from other disciplines to get a clearer picture. Here are some ways scientists are adapting tools developed for looking at...
TED-Ed
TED-Ed: How to take a great picture - Carolina Molinari
Have you ever looked at your camera and wondered what all of those buttons actually do? For manual photography, the aperture, shutter speed and ISO sensitivity can all be manipulated to get just the right amount of light. Carolina...
SciShow
How Computers Find Naked People in Photos
Why isn't the internet just covered in naked people? Algorithms! However, designing them to distinguish between pornography and people in skin tone clothing or swimsuits is harder than you'd think.
SciShow
Helping Build the Internet: Valerie Thomas | Great Minds
Despite computers barely being a thing when she was born, Valerie Thomas knew that she was cut out for the tech world, pushed until she got there, and contributed to some hugely important technologies that many of us could not live without.
TED Talks
Tony Luciani: A mother and son's photographic journey through dementia
Artist Tony Luciani was testing out a new camera when his 91-year-old mother, Elia, snuck into the background of his photos. The spontaneous images that resulted sparked a years-long collaboration, with Luciani documenting his mom's life...
TED Talks
TED: Glow-in-the-dark sharks and other stunning sea creatures | David Gruber
Just a few meters below the waves, marine biologist and explorer-photographer David Gruber discovered something amazing -- a surprising new range of sea creatures that glow in many colors in the ocean's dim blue light. Join his journey...
SciShow
DeepDream: Inside Google's 'Daydreaming' Computers
It may produce creepy images with way too many dogs and eyeballs, but Google’s DeepDream program is actually a valuable window into artificial intelligence.
Crash Course
Compression: Crash Course Computer Science
So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred over the Internet - the solution, unsurprisingly, is...
TED Talks
TED: Fun, fierce and fantastical African art | Wanuri Kahiu
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. We're so used to narratives out of Africa being about war, poverty and devastation, says TED Fellow Wanuri Kahiu....