Tech talks
Best Tech Talks 2017, Ranked by Hacker News
First recommended on Hacker News in 2017, still worth watching: these 305 tech talks and lectures earned 1127 recommendations across the years.
Type
TalkLectureDocumentaryExplainerDemoTutorialInterviewCommentaryComedyMusicPodcastsNews & reportingCoursesFeatures
Evergreen only
4 mo on HNHow our voting system (and IRV) betrays your favourite candidate
The Center for Election Science
Recommended 5× on HN · 2014–2023
3 mo on HNPi hiding in prime regularities
3Blue1Brown
Recommended 3× on HN · 2017–2019
3 mo on HNTraining AI Without Writing A Reward Function, with Reward Modelling
Robert Miles AI Safety
Recommended 3× on HN · 2019–2023
3 mo on HNSegmented Displays
Posy
Recommended 3× on HN · 2023–2026
3 mo on HNWalls, Floors, & Ceilings
UncommentatedPannen
Recommended 3× on HN · 2017–2018
4 mo on HNFlaw in the Enigma Code - Numberphile
Numberphile
Recommended 4× on HN · 2013–2025
4 mo on HNThe Only Safe Phone Is One Even the Police Can't Unlock
CGP Grey
Recommended 4× on HN · 2016–2025
3 mo on HNGraham's Number - Numberphile
Numberphile
Recommended 4× on HN · 2013–2024
4 mo on HNNumberphile v. Math: the truth about 1+2+3+...=-1/12
Mathologer
Recommended 4× on HN · 2020–2023
4 mo on HNThe Zipf Mystery
Vsauce
Recommended 4× on HN · 2018–2024
3 mo on HNComputer Scientist Explains One Concept in 5 Levels of Difficulty | WIRED
WIRED
Recommended 3× on HN · 2022–2026
3 mo on HN7 Minutes of Terror: Curiosity Rover's Risky Mars Landing | Video
VideoFromSpace
Recommended 3× on HN · 2017–2021
4 mo on HNXanadu Basics 1a - VISIBLE CONNECTION
TheTedNelson
Recommended 3× on HN · 2018–2021
3 mo on HNWhy do competitors open their stores next to one another? - Jac de Haan
TED-Ed
Recommended 3× on HN · 2015–2025
3 mo on HNThe Most Underrated Algorithm
Veritasium
Recommended 5× on HN · 2022–2024
3 mo on HNAnagrams, but where you can break apart letters: "Anagraphs"
suckerpinch
Recommended 3× on HN · 2020–2023
4 mo on HNTimes Tables, Mandelbrot and the Heart of Mathematics
Mathologer
Recommended 4× on HN · 2017–2023
4 mo on HNRandomness is Random - Numberphile
Numberphile
Recommended 4× on HN · 2019–2022
3 mo on HNHow We’re Fooled By Statistics
Veritasium
Recommended 3× on HN · 2014–2025
3 mo on HNSuperpositions, Sudoku, the Wave Function Collapse algorithm.
Martin Donald
Recommended 3× on HN · 2021–2022
3 mo on HNWhat P vs NP is actually about
Polylog
Recommended 4× on HN · 2024–2026
3 mo on HNDo Complex Numbers Exist?
Sabine Hossenfelder
Recommended 3× on HN · 2021–2023
3 mo on HNHow are holograms possible?
3Blue1Brown
Recommended 3× on HN · 2024–2025
3 mo on HNGradient descent, how neural networks learn | Deep Learning Chapter 2
3Blue1Brown
Recommended 4× on HN · 2017–2024
3 mo on HNThe Closest Thing We Have to Alien Technology
Veritasium
Recommended 5× on HN · 2026–2026
3 mo on HNSo... the minute hand shows progression — apparently we think of time in wildly different ways
Technology Connextras
Recommended 3× on HN · 2022–2026
3 mo on HNHow secure is 256 bit security?
3Blue1Brown
Recommended 2× on HN · 2020–2023
3 mo on HNHACKENBUSH: a window to a new world of math
Owen Maitzen
Recommended 3× on HN · 2022–2025
3 mo on HNwhat did you do
Noodle
Recommended 3× on HN · 2025–2026
3 mo on HNPi and the Mandelbrot Set - Numberphile
Numberphile
Recommended 3× on HN · 2017–2019
3 mo on HNHow Does SHA-256 Work?
learnmeabitcoin
Recommended 3× on HN · 2020–2022
3 mo on HNWhy Do Reversing Trucks Not Beep Any More?
Tom Scott
Recommended 3× on HN · 2016–2026
3 mo on HNSimulating Green Beard Altruism
Primer
Recommended 3× on HN · 2021–2021
3 mo on HNFlexbox vs. CSS Grid — Which is Better?
Layout Land
Recommended 3× on HN · 2018–2020
3 mo on HNThe Superheterodyne Radio: No really, that's its name
Technology Connections
Recommended 3× on HN · 2019–2024
3 mo on HNNew computers don't speed up old code
Matthias random stuff
Recommended 3× on HN · 2025–2025