Categories
Best Tech Talks on YouTube, Ranked by Hacker News
Conference talks and university lectures on software, systems, AI, hardware and computing that Hacker News keeps recommending — ranked not by view count, but by how many separate months HN commenters kept vouching for them.
Type
TalkLectureDocumentaryExplainerDemoTutorialInterviewCommentaryComedyMusicPodcastsNews & reportingCoursesFeatures
Evergreen only
2 mo on HNThe Computer-free Automation of a Jukebox (Electromechanics)
Technology Connections
Recommended 2× on HN · 2020–2021
2 mo on HNAlphaFold - The Most Useful Thing AI Has Ever Done
Veritasium
Recommended 2× on HN · 2025–2026
2 mo on HNThis Invention Made Disney MILLIONS, but Then They LOST It!
Corridor Crew
Recommended 2× on HN · 2025–2026
2 mo on HNCambridge Ideas - Professor Risk
Cambridge University
Recommended 2× on HN · 2013–2022
2 mo on HNWhy is this number everywhere?
Veritasium
Recommended 2× on HN · 2024–2026
2 mo on HNHow Analog Color TV Works: The Beginnings
Technology Connections
Recommended 2× on HN · 2019–2026
2 mo on HNI Saved a PNG Image To A Bird
Benn Jordan
Recommended 2× on HN · 2025–2026
2 mo on HNAlpha Zero's "Immortal Zugzwang Game" against Stockfish
agadmator's Chess Channel
Recommended 2× on HN · 2019–2025
2 mo on HNAvoiding Negative Side Effects: Concrete Problems in AI Safety part 1
Robert Miles AI Safety
Recommended 2× on HN · 2018–2023
2 mo on HNExtremely Large Numbers 1 - Introduction
Giroux Studios
Recommended 2× on HN · 2016–2022
2 mo on HNASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12
Numberphile
Recommended 3× on HN · 2014–2023
2 mo on HNIn Norway, Everyone Can Know How Much You Earn
Tom Scott
Recommended 2× on HN · 2016–2021
2 mo on HNHow a TV Works in Slow Motion - The Slow Mo Guys
The Slow Mo Guys
Recommended 2× on HN · 2022–2026
2 mo on HNDiffie-Hellman Key Exchange
Art of the Problem
Recommended 2× on HN · 2012–2016
2 mo on HNAI "Stop Button" Problem - Computerphile
Computerphile
Recommended 2× on HN · 2017–2026
2 mo on HNAI can't cross this line and we don't know why.
Welch Labs
Recommended 2× on HN · 2024–2025
2 mo on HNWhy Asimov's Laws of Robotics Don't Work - Computerphile
Computerphile
Recommended 2× on HN · 2015–2023
2 mo on HNIf money was no object, should you run every medical test?
Medlife Crisis
Recommended 2× on HN · 2019–2024
2 mo on HN10 Reasons to Ignore AI Safety
Robert Miles AI Safety
Recommended 2× on HN · 2022–2024
2 mo on HNThe Braitenberg Vehicles
Brian Douglas
Recommended 2× on HN · 2020–2024
2 mo on HNThis 1970s tank simulator drives through a tiny world
Tom Scott
Recommended 2× on HN · 2024–2025
2 mo on HNWhy Western Designs Fail in Developing Countries
Design Theory
Recommended 2× on HN · 2024–2025
2 mo on HNWhy Web Filters Don't Work: Penistone and the Scunthorpe Problem
Tom Scott
Recommended 2× on HN · 2017–2026
2 mo on HNThe 100 Year Flood Is Not What You Think It Is (Maybe)
Practical Engineering
Recommended 2× on HN · 2017–2025
2 mo on HNWhy Sony's Beta Videotape System Failed--and failed hard (Part 1)
Technology Connections
Recommended 2× on HN · 2022–2026
2 mo on HNDefeating Microwave Weapons! - Part 1
Tech Ingredients
Recommended 2× on HN · 2022–2025
2 mo on HNQuantum Computing Expert Explains One Concept in 5 Levels of Difficulty | WIRED
WIRED
Recommended 2× on HN · 2019–2021
2 mo on HNMath Magic
Vsauce
Recommended 2× on HN · 2016–2024
2 mo on HNFloating Point Numbers - Computerphile
Computerphile
Recommended 2× on HN · 2015–2023
2 mo on HNHow a Laser-Shot Disk Defeats Hackers & Pirates (Coding Secrets)
GameHut
Recommended 2× on HN · 2018–2024
2 mo on HNThe Bayesian Trap
Veritasium
Recommended 2× on HN · 2017–2024
2 mo on HNMENACE: the pile of matchboxes which can learn
Stand-up Maths
Recommended 2× on HN · 2018–2026
2 mo on HNThe simple, clever sensor behind automatic windshield wipers
Technology Connections
Recommended 2× on HN · 2024–2026
2 mo on HNHow Do Night Vision Goggles Work?
Veritasium
Recommended 2× on HN · 2023–2024
2 mo on HNWhat is a Geometry Kernel? C3D vs ACIS vs Parasolid
nickkallen1
Recommended 3× on HN · 2023–2025
2 mo on HNTomb Raider on the Nintendo Game Boy Advance is incredible | MVG
Modern Vintage Gamer
Recommended 2× on HN · 2022–2022