Tech talks
Best Tech Talks 2026, Ranked by Hacker News
First recommended on Hacker News in 2026, still worth watching: these 305 tech talks and lectures earned 1127 recommendations across the years.
Type
TalkLectureDocumentaryExplainerDemoTutorialInterviewCommentaryComedyMusicPodcastsNews & reportingCoursesFeatures
Evergreen only
5 mo on HNThe Map of Mathematics
Domain of Science
Recommended 4× on HN · 2018–2022
4 mo on HNAttention in transformers, step-by-step | Deep Learning Chapter 6
3Blue1Brown
Recommended 5× on HN · 2024–2026
4 mo on HNHow an Atomic Clock Really Works: Inside the HP 5061A Cesium Clock
CuriousMarc
Recommended 4× on HN · 2020–2026
5 mo on HNCassettes - better than you don't remember
Techmoan
Recommended 5× on HN · 2016–2025
5 mo on HNThe lamps you're not allowed to have. Exploring the Dubai lamps
bigclivedotcom
Recommended 5× on HN · 2021–2026
4 mo on HNa better way to count
jan Misali
Recommended 3× on HN · 2018–2025
4 mo on HNBut what is a Fourier series? From heat flow to drawing with circles | DE4
3Blue1Brown
Recommended 4× on HN · 2020–2025
4 mo on HNTriangle of Power
3Blue1Brown
Recommended 5× on HN · 2016–2023
4 mo on HNThe Golden Ratio (why it is so irrational) - Numberphile
Numberphile
Recommended 3× on HN · 2018–2026
5 mo on HNBell's Theorem: The Quantum Venn Diagram Paradox
minutephysics
Recommended 8× on HN · 2019–2024
4 mo on HNAnimated Voting Methods
Unify The Vote
Recommended 3× on HN · 2018–2022
4 mo on HNWhy is TV 29.97 frames per second?
Stand-up Maths
Recommended 4× on HN · 2016–2025
4 mo on HNHilbert's Curve: Is infinite math useful?
3Blue1Brown
Recommended 4× on HN · 2017–2024
3 mo on HNThe Infinite Pattern That Never Repeats
Veritasium
Recommended 4× on HN · 2021–2023
4 mo on HNCarl Sagan - Cosmos - Eratosthenes
carlsagandotcom
Recommended 4× on HN · 2022–2024
4 mo on HNThe Mathematics of Quantum Computers | Infinite Series
PBS Infinite Series
Recommended 4× on HN · 2017–2023
4 mo on HNElectric car chargers aren't chargers at all – EVSE Explained
Technology Connections
Recommended 4× on HN · 2021–2024
4 mo on HNBritish Plugs Are Better Than All Other Plugs, And Here's Why
Tom Scott
Recommended 3× on HN · 2019–2025
4 mo on HNBut what are Hamming codes? The origin of error correction
3Blue1Brown
Recommended 4× on HN · 2020–2023
4 mo on HNPortable Air Conditioners - Why you shouldn't like them
Technology Connections
Recommended 5× on HN · 2020–2026
4 mo on HNHow Imaginary Numbers Were Invented
Veritasium
Recommended 7× on HN · 2021–2023
4 mo on HNInfinity is bigger than you think - Numberphile
Numberphile
Recommended 3× on HN · 2014–2022
4 mo on HNAttention Is All You Need
Yannic Kilcher
Recommended 4× on HN · 2020–2025
4 mo on HNThis is why we can't have nice things
Veritasium
Recommended 4× on HN · 2021–2024
4 mo on HNThe medical test paradox, and redesigning Bayes' rule
3Blue1Brown
Recommended 4× on HN · 2020–2025
4 mo on HNDebt Metaphor
Ward Cunningham
Recommended 3× on HN · 2009–2023
4 mo on HNAtari's Quadrascan Explained
Retro Game Mechanics Explained
Recommended 3× on HN · 2021–2026
4 mo on HNe^(iπ) in 3.14 minutes, using dynamics | DE5
3Blue1Brown
Recommended 4× on HN · 2020–2021
4 mo on HNHow is this Website so fast!?
Wes Bos
Recommended 4× on HN · 2024–2025
3 mo on HNFantastic Quaternions - Numberphile
Numberphile
Recommended 3× on HN · 2016–2018
3 mo on HNThe $200M Machine that Prints Microchips: The EUV Photolithography System
Branch Education
Recommended 3× on HN · 2025–2026
4 mo on HNHow a transistor works
Ben Eater
Recommended 4× on HN · 2020–2023
3 mo on HNCD / Color
Captain Disillusion
Recommended 3× on HN · 2020–2021
4 mo on HNSurface-Stable Fractal Dithering Explained
runevision
Recommended 3× on HN · 2025–2026
3 mo on HNBackpropagation, intuitively | Deep Learning Chapter 3
3Blue1Brown
Recommended 4× on HN · 2017–2024
4 mo on HNIs AI Safety a Pascal's Mugging?
Robert Miles AI Safety
Recommended 3× on HN · 2019–2026