Tech talks
Best Tech Talks 2021, Ranked by Hacker News
First recommended on Hacker News in 2021, still worth watching: these 387 tech talks and lectures earned 1364 recommendations across the years.
Type
TalkLectureDocumentaryExplainerDemoTutorialInterviewCommentaryComedyMusicPodcastsNews & reportingCoursesFeatures
Evergreen only
15 mo on HNBut what is the Fourier Transform? A visual introduction.
3Blue1Brown
Recommended 16× on HN · 2018–2025
14 mo on HNBut what is a neural network? | Deep learning chapter 1
3Blue1Brown
Recommended 16× on HN · 2017–2025
13 mo on HNThe Beauty of Bézier Curves
Freya Holmér
Recommended 16× on HN · 2021–2026
13 mo on HND/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)
FL Studio
Recommended 15× on HN · 2017–2026
11 mo on HNThe Continuity of Splines
Freya Holmér
Recommended 10× on HN · 2022–2026
12 mo on HNDetergent packs are kinda wishy-washy (Dishwashers Explained)
Technology Connections
Recommended 15× on HN · 2021–2025
11 mo on HNWhat Happened to Horses Is Happening to Us
CGP Grey
Recommended 11× on HN · 2014–2026
12 mo on HNHans Rosling's 200 Countries, 200 Years, 4 Minutes - The Joy of Stats - BBC
BBC
Recommended 10× on HN · 2010–2023
12 mo on HNThe Problem with Time & Timezones - Computerphile
Computerphile
Recommended 12× on HN · 2014–2026
11 mo on HNWhy Electronic Voting Is Still A Bad Idea
Tom Scott
Recommended 11× on HN · 2020–2026
11 mo on HNBut how does bitcoin actually work?
3Blue1Brown
Recommended 15× on HN · 2017–2024
10 mo on HNTransformers, the tech behind LLMs | Deep Learning Chapter 5
3Blue1Brown
Recommended 13× on HN · 2024–2026
10 mo on HNYouTube's copyright system isn't broken. The world's is.
Tom Scott
Recommended 13× on HN · 2020–2024
11 mo on HNThe Antique Toaster that's Better than Yours
Technology Connections
Recommended 12× on HN · 2019–2025
9 mo on HNThe Problem With Facebook
2veritasium
Recommended 3× on HN · 2014–2018
9 mo on HNWhy Being Delusional is a Superpower
Veritasium
Recommended 9× on HN · 2020–2024
8 mo on HNThe Fast Fourier Transform (FFT): Most Ingenious Algorithm Ever?
Reducible
Recommended 7× on HN · 2021–2026
10 mo on HNWhy Your Vote Doesn't Count
CGP Grey
Recommended 10× on HN · 2015–2025
8 mo on HNIs Most Published Research Wrong?
Veritasium
Recommended 8× on HN · 2017–2025
8 mo on HNThe Extreme Engineering of ASML’s EUV Light Source
Asianometry
Recommended 11× on HN · 2022–2025
9 mo on HNAmerica Keeps Rejecting an ID Card It Already Has
CGP Grey
Recommended 14× on HN · 2017–2024
8 mo on HNDiffie-Hellman Key Exchange
Art of the Problem
Recommended 9× on HN · 2016–2024
7 mo on HNA Swift Introduction to Geometric Algebra
sudgylacmoe
Recommended 7× on HN · 2020–2024
7 mo on HNThe hardest problem on the hardest test
3Blue1Brown
Recommended 8× on HN · 2017–2025
8 mo on HNOnce you understand game theory, you understand the world.
Veritasium
Recommended 10× on HN · 2023–2026
8 mo on HNWealth Inequality in America
politizane
Recommended 8× on HN · 2013–2025
7 mo on HNThe Voting System That Should Replace Every Election
CGP Grey
Recommended 7× on HN · 2012–2021
6 mo on HNThe determinant | Chapter 6, Essence of linear algebra
3Blue1Brown
Recommended 6× on HN · 2019–2024
7 mo on HNFIXING the ENTIRE SM64 Source Code (INSANE N64 performance)
Kaze Emanuar
Recommended 7× on HN · 2022–2025
7 mo on HNUnix and Google
FOAM
Recommended 4× on HN · 2016–2023
7 mo on HNMath's Fundamental Flaw
Veritasium
Recommended 7× on HN · 2021–2024
7 mo on HNImmigration, World Poverty and Gumballs
NumbersUSA
Recommended 7× on HN · 2013–2024
6 mo on HNWhy Would AI Want to do Bad Things? Instrumental Convergence
Robert Miles AI Safety
Recommended 6× on HN · 2019–2023
7 mo on HNFractals are typically not self-similar
3Blue1Brown
Recommended 7× on HN · 2017–2024
7 mo on HNThe Banach–Tarski Paradox
Vsauce
Recommended 6× on HN · 2015–2024
6 mo on HNWhy Electronic Voting is a BAD Idea - Computerphile
Computerphile
Recommended 7× on HN · 2015–2025