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Tech talks

Best Tech Talks 2026, Ranked by Hacker News

First recommended on Hacker News in 2026, still worth watching: these 387 tech talks and lectures earned 1364 recommendations across the years.

‹ 2025All tech talks
Explainer×
3 mo on HN

Does "land area" assume a country is perfectly flat?

Stand-up Maths
Recommended 3× on HN · 2020–2023
3 mo on HN

Cracking Enigma in 2021 - Computerphile

Computerphile
Recommended 3× on HN · 2021–2024
3 mo on HN

Why this British crossroads was so dangerous

Tom Scott
Recommended 3× on HN · 2020–2025
3 mo on HN

How "oldschool" graphics worked Part 1 - Commodore and Nintendo

The 8-Bit Guy
Recommended 4× on HN · 2015–2019
3 mo on HN

The Antique Microwave Oven that's Better than Yours

Technology Connections
Recommended 7× on HN · 2020–2025
3 mo on HN

EEVblog #1132 - The 3 Cent Microcontroller!

EEVblog
Recommended 3× on HN · 2018–2022
3 mo on HN

3D Gaussian Splatting! - Computerphile

Computerphile
Recommended 3× on HN · 2024–2026
3 mo on HN

Emulating the DX7 the HARD way

plgDavid
Recommended 3× on HN · 2021–2024
3 mo on HN

I Solved Klotski

2swap
Recommended 3× on HN · 2025–2026
2 mo on HN

Terence Tao on the cosmic distance ladder

3Blue1Brown
Recommended 2× on HN · 2025–2026
3 mo on HN

PHP doesn't suck (anymore)

Aaron Francis
Recommended 3× on HN · 2023–2024
3 mo on HN

How Many Holes Does a Human Have?

Vsauce
Recommended 3× on HN · 2021–2024
2 mo on HN

Dance p 3 Mar09

Geoff Cumming
Recommended 2× on HN · 2011–2015
3 mo on HN

Disney's Practical Guide to Path Tracing

Walt Disney Animation Studios
Recommended 3× on HN · 2017–2021
2 mo on HN

Large Language Models from scratch

Graphics in 5 Minutes
Recommended 3× on HN · 2023–2024
3 mo on HN

How Quantum Computers Break Encryption | Shor's Algorithm Explained

minutephysics
Recommended 3× on HN · 2019–2023
2 mo on HN

Using ground relays with Starlink

Mark Handley
Recommended 5× on HN · 2020–2020
3 mo on HN

Andreas Antonopoulos - 51% Bitcoin Attack

Rodolfo Díaz
Recommended 3× on HN · 2021–2024
2 mo on HN

A4 Paper Is Too Perfect

CGP Grey
Recommended 2× on HN · 2024–2026
3 mo on HN

AI Language Models & Transformers - Computerphile

Computerphile
Recommended 3× on HN · 2022–2025
3 mo on HN

The Smartphone CPU Review You NEED to Watch!

Geekerwan
Recommended 4× on HN · 2022–2023
3 mo on HN

Deadly Truth of General AI? - Computerphile

Computerphile
Recommended 3× on HN · 2016–2024
3 mo on HN

Hacking at Quantum Speed with Shor's Algorithm | Infinite Series

PBS Infinite Series
Recommended 3× on HN · 2018–2019
3 mo on HN

Reynolds Number - Numberphile

Numberphile
Recommended 3× on HN · 2019–2021
3 mo on HN

Spherical Geometry Is Stranger Than Hyperbolic - Hyperbolica Devlog #2

CodeParade
Recommended 3× on HN · 2021–2026
2 mo on HN

Manipulating the YouTube Algorithm - (Part 1/3) Smarter Every Day 213

SmarterEveryDay
Recommended 2× on HN · 2019–2021
2 mo on HN

How to Design Impenetrable Airport Security

Wendover Productions
Recommended 2× on HN · 2019–2023
2 mo on HN

Web 2.0 ... The Machine is Us/ing Us

Michael Wesch
Recommended 2× on HN · 2022–2025
2 mo on HN

The real reason Boeing's new plane crashed twice

Vox
Recommended 2× on HN · 2019–2019
2 mo on HN

Bayes theorem, the geometry of changing beliefs

3Blue1Brown
Recommended 2× on HN · 2022–2024
2 mo on HN

The Uncanny Valley Is Wrong

This Place
Recommended 2× on HN · 2021–2021
2 mo on HN

The Computer-free Automation of a Jukebox (Electromechanics)

Technology Connections
Recommended 2× on HN · 2020–2021
2 mo on HN

AlphaFold - The Most Useful Thing AI Has Ever Done

Veritasium
Recommended 2× on HN · 2025–2026
2 mo on HN

This Invention Made Disney MILLIONS, but Then They LOST It!

Corridor Crew
Recommended 2× on HN · 2025–2026
2 mo on HN

AI Slop Is Destroying The Internet

Kurzgesagt – In a Nutshell
Recommended 3× on HN · 2025–2026
2 mo on HN

Cambridge Ideas - Professor Risk

Cambridge University
Recommended 2× on HN · 2013–2022