التالي
This open problem taught me what topology is 28 دقيقة 
Earth to Mars in 10 Days 27 دقيقة 
Digging a SECRET GARAGE Part 5 Major Progress 39 دقيقة 
I Said Yes to Every Email for a Month! (Again) 31 دقيقة 
Прогулочка ⛰️ (Big Walk) 17 دقيقة 
Joi 4 دقيقة 
The MAGNET Suspension SKATEBOARD 23 دقيقة 
The Physics Behind the Thumb Trick 18 دقيقة 
Do Retention Ponds Actually Work? 18 دقيقة 
Someone Lived This 4 دقيقة 
EMPTY GESTURE 2 دقيقة 
How do you reconstruct an old story? 1 دقيقة 
What happens when we stop reading? | The Gray Area 52 دقيقة 
How to explain something complicated 10 دقيقة 
GREAT White Shark News! #science #scishow #shark #marine 1 دقيقة 
Are Beavers Actually Good at Dams? 20 دقيقة 
This single-celled organism is HUGE. #shorts #science #SciShow 1 دقيقة 
Concrete's Greatest Weakness is Time 18 دقيقة 
How I Made My 2025 Secret Santa's year THE BEST 16 دقيقة 
The truth behind the millennial "midlife crisis" | The Gray Area 52 دقيقة 
I got hit in the teeth at England's oldest ritual 16 دقيقة 
The Second Punic War - OverSimplified (Part 2) 38 دقيقة 
We’ve just launched *five* new channels! #shorts 1 دقيقة 
Sneak peek at the making of a TED-Ed animation #shorts 1 دقيقة 
Who else could use these? @nike #teamnike #ad 1 دقيقة 
Why do male nipples exist? 1 دقيقة 
How Apple AirPods Work 19 دقيقة 
Name That Infrastructure (Ep. 10) #shorts 1 دقيقة 
LSD May Lead to a New Kind of Medicine 25 دقيقة 
Reading & Writing Latin American literature: Crash Course Latin American Literature #13 11 دقيقة 
The Unlikely Rise of the Indian Space Program 29 دقيقة 
My First FAILURE!! 9 دقيقة 
The Problem With Spirit Airlines’ Business Model 23 دقيقة 
The Problem with Geothermal Energy 2 دقيقة 
The Forbidden Alloy of WW2 2 دقيقة 
Why People Thought "Aliens" Made These Rocks 12 دقيقة 
Which of these is the best idea? 🤷♂️ #batmobile #batman #engineering 1 دقيقة 
Why the Perfect Red Is Impossible to Make 13 دقيقة 
Why the Ikea Business Model Wins 19 دقيقة 
The F-14 was designed for one reason 2 دقيقة 
Scientists Finally Figured Out Why This River Flows Uphill 12 دقيقة 
How Will the Golden Dome Work? 23 دقيقة 
Checking the TUNNELS under my house 1 دقيقة 
Epic underground garage final dig complete 1 دقيقة 
The Terrible Design of Newark Airport 17 دقيقة 
Will I ever want to have kids? | The Gray Area 56 دقيقة 
$1 vs $50 Phone Charger. What’s the difference? 3 دقيقة 
Coming home #GTA6 style #secretgarage 2 دقيقة 
New update! 1 دقيقة 
This is the Mark 50 Torpedo 2 دقيقة 
Genius Suspension 1 دقيقة The inscribed square/rectangle problem, solved using Möbius strips and Klein bottles. Playlist with more neat proofs: https://www.youtube.com/playlist?list=PLZHQObOWTQDPSKntUcMArGheySM4gL7wS Instead of sponsored ad reads, these lessons are funded directly by viewers: https://3b1b.co/support An equally valuable form of support is to simply share the videos. This argument was originally by Herbert Vaughan, appearing for examples in this issue of the Topology Proceedings. https://topology.nipissingu.ca/tp/reprints/v06/tp06107.pdf The on-screen argument for why all closed non-orientable surfaces must intersect themselves in 3d is a slight variation on one I heard from Dan Asimov. 2020 Paper by Greene and Lobb: https://arxiv.org/pdf/2005.09193 Nice Quanta article about this result: https://www.quantamagazine.org/new-geometric-perspective-cracks-old-problem-about-rectangles-20200625/ Timestamps: 0:00 - Inscribed squares 1:00 - Preface to the second edition 3:04 - The main surface 10:47 - The secret surface 16:45 - Klein bottles 22:38 - Why are squares harder? 25:10 - What is topology? ------------------ These animations are largely made using a custom Python library, manim. See the FAQ comments here: https://3b1b.co/faq#manim https://github.com/3b1b/manim https://github.com/ManimCommunity/manim/ All code for specific videos is visible here: https://github.com/3b1b/videos/ The music is by Vincent Rubinetti. https://www.vincentrubinetti.com https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown https://open.spotify.com/album/1dVyjwS8FBqXhRunaG5W5u ------------------ 3blue1brown is a channel about animating math, in all senses of the word animate. If you're reading the bottom of a video description, I'm guessing you're more interested than the average viewer in lessons here. It would mean a lot to me if you chose to stay up to date on new ones, either by subscribing here on YouTube or otherwise following on whichever platform below you check most regularly. Mailing list: https://3blue1brown.substack.com Twitter: https://twitter.com/3blue1brown Instagram: https://www.instagram.com/3blue1brown Reddit: https://www.reddit.com/r/3blue1brown Facebook: https://www.facebook.com/3blue1brown Patreon: https://patreon.com/3blue1brown Website: https://www.3blue1brown.com
Packages published by the creator behind this video.
This creator has not set their rates yet. Send a request and we will pass it on — the price is agreed before anything is charged.
A recurring seat in my content. Subscribers enter a queue — or a random draw when there are more subscribers than slots — and appear in the video itself, in the credits, or in the description.
per month
Price on request
A guaranteed appearance of at least 10 seconds in my next video. Price depends on where in the runtime the insert lands.
Price on request
A guaranteed appearance of at least 10 seconds inside a Short cut from one of my existing videos.
one-off
Price on request