Nākamais
What was Euclid really doing? | Guest video by Ben Syversen 34 min 
Archaeologists Found an Ancient Treasure Worth Millions in Belize 95 min 
10 years of AI reporting | 60 Minutes Marathon 214 min 
Why isn't Congress doing more to protect America's food safety? 2 min 
Defunctland VR: 20,000 Leagues Under the Sea 15 min 
FULL METAL ALCHEMY (ft. Sir Isaac Newton) 1 min 
The Prinsendam Cruise Ship Disaster 25 min 
The McVay way: Coaching the Los Angeles Rams while handling heavy expectations | 60 Minutes 13 min 
Cameroon’s Deadly Lake Bomb Has Been Defused 14 min 
The Real Story Behind the Mormon Church 131 min 
Plato’s infamous Ship of State thought experiment - Michael Vazquez 6 min 
Куда смотришь? 😍 (Arknights: Endfield) 18 min 
Why Gravity Is A Lie, explained in Zero G 23 min 
Furnace 4 min 
Flight to LAPD 2 min 
Inside Pakistan’s Most Dangerous City (surreal) 38 min 
The WEIGHTLESS Machine 11 min 
NOT TODAY 3 min 
Someone Lived This 4 min 
Hurricane vs. Tiny Houses 23 min 
I cannot believe Jodrell Bank let me do this 24 min 
How to be less neurotic | The Gray Area 38 min 
3 ways to choose a sunscreen #shorts 1 min 
3 things you may not know about the Declaration of Independence #shorts 1 min 
Ads in Video Games 20 min 
The Sahara desert is growing! #shorts #science #SciShow #sahara #desert 1 min 
Lindsey Clancy and the surprisingly simple solution to helping moms with postpartum depression 2 min 
The $1 Trillion Problem Diamonds Can Solve 17 min 
I tested Dream Tech with my Biggest Fans! 15 min 
Editing Your DNA, with Nobel Prize Winner Dr. Jennifer Doudna 54 min 
This Transformer Robot Went To The Moon 1 min 
How NASA Discovered a Military Base under Greenland 22 min 
Europe Just Got Stronger 2 min 
Samsung S26 Ultra Review - Breaking Point. 17 min 
What your ball size says about you 8 min 
Crash Course Hosts Read Comments 2 min 
Why America’s Tank Failed in Ukraine 23 min 
They’re cooking our brains, for real! #science #pollution 2 min 
How To Survive Being Eaten 10 min 
Rock, paper, scissors to defend alchemy 1 min 
The twin experiment that broke genetics research 17 min 
Why do nipples become erect? 2 min 
One Piece of News From Every Country in the World (Pt 2) 38 min 
The Cave (2005) - Bat vs. Machete (10/12) | Movieclips 2 min 
SaaS Challengers 2 min 
Minions & Monsters (2026) 4K - Behold! Phillips and Howard! (8/11) | Movieclips 3 min 
a man with a large head, wearing a wooden mask and cloth garments, sits on a chair. his face is p... 1 min 
Better Call Saul - Mike Rages in Therapy (S4E4) | Movieclips 5 min 
NASA Detected Rivers of Unknown Substance on Mars 22 min 
Jackass: Best and Last (2026) 4K - Welcome to Jackass! (1/10) | Movieclips 3 min 
Practical Magic (1998) - Love Spell or True Romance? (9/11) | Movieclips 3 min What role were ruler and compass constructions really serving? Check out Ben's channel: @bensyversen Interview with the author of this video: https://youtu.be/VohYM99j8e0 Supporters get early views of new videos: https://3b1b.co/support Written, produced, edited, and animated by Ben Syversen Additional editing: Jack Saxon 3d Blender model: Jan-Hendrik Müller Additional Blender help: Thibaut Modrzyk (@Deepia) Illustrations: Alex Zepherin/DonDada Studio Camera: Giacomo Belletti Drums: Jeremy Gustin Additional music from Epidemic Sound Special thanks to Viktor Blåsjö: https://intellectualmathematics.com/opinionated-history-of-mathematics/ Lean footage is borrowed from Alex Kontorovich’s lecture series on formal Euclidean geometry: https://www.youtube.com/playlist?list=PLs6rMe3K87LEkc2nd2VZVyLfgJH0Rgage References/Recommended reading: Euclid’s Elements: Visual edition of Book 1: https://intellectualmathematics.com/dl/Elements.pdf Euclid’s Elements in full: https://farside.ph.utexas.edu/books/Euclid/Elements.pdf The Thirteen Books of The Elements, translated with introduction and commentary by Sir Thomas L. Heath Commentary and academic papers: A Commentary on the First Book of Euclid’s Elements, Proclus, translated by Glenn R. Morrow Operationalism: An Interpretation of the Philosophy of Ancient Greek Geometry, Viktor Blåsjö: https://link.springer.com/article/10.1007/s10699-021-09791-4 The Euclidean Diagram, Kenneth Manders A New Look at Euclid’s Second Proposition, Godfried Toussaint https://www-cgrl.cs.mcgill.ca/~godfried/teaching/dm-reading-assignments/Euclid-Second-Proposition-Math-Intell.pdf Logic of Ruler and Compass Constructions, M. Beeson https://www.michaelbeeson.com/research/papers/Cambridge.pdf Euclid’s Fourth Postulate, Vincenzo De Risi https://www.cambridge.org/core/journals/science-in-context/article/abs/euclids-fourth-postulate-its-authenticity-and-significance-for-the-foundations-of-greek-mathematics/DD7EB8AFEDD350A0A8B0BE714D74D2EE Some related books: Euclid’s Window: The Story of Geometry from Parallel Lines to Hyperspace, Leonard Mlodinow The Geometry of Rene Descartes, Rene Descartes Timestamps: 0:00 - About guest videos 0:54 - Why ruler and compass? 2:38 - Diagrams as part of the proof 8:08 - Geometry as philosophy 15:21 - Mistakes in diagrammatic reasoning 19:07 - The parallel postulate 28:34 - Letting go of the ruler and compass ------------------ 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 Bluesky: https://bsky.app/profile/3blue1brown.com 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