पुढील
This open problem taught me what topology is 28 मिनिटे 
What is a "Body Farm"? | Fascinating Horror Shorts 1 मिनिटे 
WWDC 2026 - Siri AI Impressions! 15 मिनिटे 
UNDEAD DOGS 1 मिनिटे 
LORN - THERE IS STILL TIME 2 मिनिटे 
LORN - ALT.VEL.PTCH 3 मिनिटे 
Why Have Orcas Turned Violent? | Fascinating Horror Shorts 1 मिनिटे 
Wii U: Downfall of a Downfall (Part II) - Scott The Woz 145 मिनिटे 
How can you overcome writer’s block? 1 मिनिटे 
Can Frogs Power a Lightbulb? | Fascinating Horror Shorts 1 मिनिटे 
REPLIKA 4 मिनिटे 
3 ways to choose a sunscreen #shorts 1 मिनिटे 
I read every major CS paper of the last 100 years... 11 मिनिटे 
I cannot believe Jodrell Bank let me do this 24 मिनिटे 
Introduction to OpAmps #electronics #science #technology #funny 1 मिनिटे 
Who’s afraid of an open-weight model? GLM, context bombing and post-Black Hat attacks 27 मिनिटे 
This one tool fixed my entire editing workflow 1 मिनिटे 
Mark Rober's $60 Million Dollar Experiment 77 मिनिटे 
RANKING POPULAR DISHES: EUROPE EDITION 17 मिनिटे ![A stroll around my hometown, Aldridge (and the stories that shaped my youth) [PART 1]](https://adm.6-9.space/storage/films/posters/yt_a-stroll-around-my-hometown-aldridge-and-the-stories-that-shaped-my-youth-part-1_1789704139.jpg)
A stroll around my hometown, Aldridge (and the stories that shaped my youth) [PART 1] 40 मिनिटे 
How to SHOOT & EDIT B-Roll For Beginners! 11 मिनिटे 
IBM’s cloud collab, Meta’s Muse Glimmer & OpenAI’s upcoming Astra model 37 मिनिटे 
The Most Expensive Ad of All Time 2 मिनिटे 
The Problem with Ronaldo's YouTube Channel 1 मिनिटे 
I Tested 47 Sony Cameras – These Are My Favorite! 18 मिनिटे 
Best 4K Multicam Setup for Live Events! (Full Gear Breakdown) 12 मिनिटे 
Sony Just Brought Super Zoom Cameras Back From the Dead! (RX10V) 1 मिनिटे 
This Poodle Killed Three People | Fascinating Horror Shorts 1 मिनिटे 
Cybersecurity's Telephone Game Problem📞 1 मिनिटे 
⏰ You have more time than you think 1 मिनिटे 
Crypto Beyond Dark Web Myths 1 मिनिटे 
The Polar Cruisers: Winter Climb to the Hanging Cities | AI 4K — Retrofutura 8 मिनिटे 
Furnace 4 मिनिटे 
Нестрашный Хоррор 😅 (Hellmart) 26 मिनिटे 
Can Tech Transform my Body in 3 Months? 13 मिनिटे 
We Built the BEST PC 14 मिनिटे 
Her Eyes Were Green 7 मिनिटे 
I compared every smartwatch 1 मिनिटे 
When did we start using passports? - Kristin Surak 7 मिनिटे 
Mac vs Windows - It's not close in 2026! 22 मिनिटे 
Bretagne 3 मिनिटे 
Grandfather 2 मिनिटे 
Тут Громко Пугают 😅 (Don't Play This) 26 मिनिटे 
Is Yvonne Happy with Her New Laptop? 12 मिनिटे 
Samsung S26 Ultra Hands on - What's ACTUALLY New? 15 मिनिटे 
Get 4 Tech Acronyms Win! 1 मिनिटे 
I Tested YouTubers' Favourite Products 30 मिनिटे 
This Mars rover's cool. But have you seen its wheels? 23 मिनिटे 
iPhone 18 Pro - Does variable aperture matter? 1 मिनिटे 
Apple just Copied Microsoft’s Worst Idea - iPhone Duo, Airpods 5, iPhone 18 Pro & More 19 मिनिटे 
BYE 3 मिनिटे 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