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Terence Tao on the cosmic distance ladder 29 min 
Prohibition - OverSimplified 34 min 
Defunctland: The American Idol Theme Park Experience 68 min 
Ground zero responders recount their haunting 9/11 experiences | 60 Minutes Archive 16 min 
The firefighters who searched for missing 9/11 first responders: From the archives 6 min 
Why Every Millimeter Matters In These World Cup Gloves 10 min 
The First Punic War - OverSimplified (Part 1) 28 min 
BIOSHOCK 2 + DLC Full Gameplay Walkthrough / No Commentary【FULL GAME】4K 60FPS Ultra HD 602 min 
Bankrupt - Hollywood Video 17 min 
Newly declassified videos show rescue of downed Air Force officers 2 days apart 4 min 
Cancelled - American Heartland Theme Park 20 min 
Why your best ideas usually start as bad ones | Think Like A Musician 5 min 
How We Built the ISS - Part 2 29 min 
Wallace 6 min 
The Bizarre Bases of Antenna Towers 19 min 
The Shoe That Broke Running 16 min 
This Spillway Failed On Purpose 20 min 
Fixing the Most Dangerous Dam in the World 23 min 
Meet the slow loris, the only venomous primate in existence - Stephanie A. Poindexter 6 min 
BYE 3 min 
SEXTANT 2 min 
Angie Nixon’s playbook to be Florida’s next senator | America, Actually 35 min 
The Hidden Engineering Behind the Falkirk Wheel 16 min 
Century III Mall 2025 Update 13 min 
Crash Course Hosts Read Comments 2 min 
The missing ingredient in how we learn 6 min 
What is sumo, and why is it so popular? - Lee Thompson 6 min 
What technology can't give you | The Gray Area 45 min 
The illusion of the ‘self’ | The Gray Area 43 min 
Why the US is Struggling to Land on the Moon 20 min 
NVIDIA CEO Jensen Huang's Vision for the Future 64 min 
The Age of Laser Warfare Has Begun 24 min 
How did ocean invertebrates end up on Mt. Everest?! 1 min 
Why Sagrada Familia Took 144 Years to Complete 25 min 
The Los Angeles Aqueduct is Wild 23 min 
Why This Robot Kills Weeds With Lasers 15 min 
Why NASA Is Racing Back To The Moon 11 min 
How the Channel Tunnel Works 24 min 
3 Million! 1 min 
Cameroon’s Deadly Lake Bomb Has Been Defused 14 min 
Behind-the-scenes look at illustrator Senne Trip creating the art of Pandora’s Legacy 1 min 
The Weird Reason Tornadoes Are Clumping Together #science #scishow #stem #shorts 1 min 
What's Hidden Under Antarctica? 19 min 
Sydney Sweeney knows what she's doing 3 min 
What happens when we stop reading? | The Gray Area 52 min 
The Secret Tunnel Air Compressor!!! 3 min 
Why is this piece of America still owned by France? 23 min 
Name That Infrastructure (Ep. 6) #shorts 1 min 
Will I ever want to have kids? | The Gray Area 56 min 
How did these lights work?? 2 min 
The Second Punic War - OverSimplified (Part 3) 50 min The Cosmic Distance Ladder: How we learned distances in the heavens. Next part: https://youtu.be/hFMaT9oRbs4 Patreon supporters see early views of new videos: https://www.patreon.com/3blue1brown Artwork by Kurt Bruns Thanks to Paul Dancstep for several animations, such as the powers of 10 zoom out and the simulations of shadows on the moon. Terry has kindly cataloged many of the added nuances, including a few corrections, in this post: https://terrytao.wordpress.com/2025/02/13/cosmic-distance-ladder-video-with-grant-sanderson-3blue1brown-commentary-and-corrections/ As an additional one, the portrait shown for Kepler, despite being somewhat widespread, actually turns out not to be Kepler. See this article by Václav Pavlík https://ui.adsabs.harvard.edu/abs/2021PhT....74i..10S/abstract Also, although the Earth is about 4 times as wide as the Moon, as it happens, you would not see this with the lunar eclipse composites, since the umbra of Earth's shadow from the sun is sufficiently smaller than the Earth out where the Moon is. Moon composite shot by Reddit user _wanderloots: https://www.reddit.com/r/astrophotography/comments/yil0tu/partial_lunar_eclipse_composite/ https://youtube.com/@Wanderloots Thanks to Tanya Klowden for helpful conversations about the history of the distance ladder. Argument for why if every shadow of a convex shape is a circle, it must be a sphere: https://mathoverflow.net/questions/39127/is-the-sphere-the-only-surface-with-circular-projections-or-can-we-deduce-a-sp Timestamps: 0:00 - About Terence Tao and the Distance Ladder 2:02 - Earth 8:07 - Moon 11:15 - Sun 15:45 - Heliocentrism in Antiquity 18:27 - Kepler’s genius 27:16 - Where this leaves us SEV #5: https://youtu.be/uq83hprtpGE ------------------ 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
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