Tech talks

Best Tech Talks 2026, Ranked by Hacker News

First recommended on Hacker News in 2026, still worth watching: these 115 tech talks and lectures earned 508 recommendations across the years.

‹ 2025 All tech talks

Lecture×

4 mo on HN

Math Encounters -- Five Balls, Two Hands: The Patterns of Juggling -- Colin Wright (Presentation)

National Museum of Mathematics

Recommended 3× on HN · 2017–2026

3 mo on HN

Will AI outsmart human intelligence? - with 'Godfather of AI' Geoffrey Hinton

The Royal Institution

Recommended 3× on HN · 2025–2025

3 mo on HN

Lecture 1: Probability and Counting | Statistics 110

Harvard University

Recommended 3× on HN · 2017–2018

3 mo on HN

Lecture 1 | Natural Language Processing with Deep Learning

Stanford University School of Engineering

Recommended 3× on HN · 2017–2018

3 mo on HN

Cosmos - Carl Sagan - 4th Dimension

carlsagandotcom

Recommended 3× on HN · 2014–2025

3 mo on HN

Seymour Papert 1983

Cynthia Solomon

Recommended 3× on HN · 2014–2017

3 mo on HN

1. A strange determinant

Timothy Gowers

Recommended 3× on HN · 2022–2026

3 mo on HN

Do we need Attention? - Linear RNNs and State Space Models (SSMs) for NLP

Sasha Rush

Recommended 3× on HN · 2024–2024

3 mo on HN

The "Last Lecture" by Randy Pausch

Gabriel Robins

Recommended 4× on HN · 2016–2021

3 mo on HN

Efficient Bayesian inference with Hamiltonian Monte Carlo -- Michael Betancourt (Part 1)

MLSS Iceland 2014

Recommended 3× on HN · 2017–2024

3 mo on HN

Hamming, "n-Dimensional Space" (April 14, 1995)

securitylectures

Recommended 3× on HN · 2022–2024

3 mo on HN

Lecture 7: Introduction to Galois Fields for the AES by Christof Paar

Introduction to Cryptography by Christof Paar

Recommended 3× on HN · 2017–2020

3 mo on HN

Peter Norvig - The Unreasonable Effectiveness of Data

UBC Computer Science

Recommended 3× on HN · 2012–2026

3 mo on HN

17. Succinct Structures I

MIT OpenCourseWare

Recommended 3× on HN · 2018–2022

Best Tech Talks 2026, Ranked by Hacker News

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Control Bootcamp: Overview

Exponential Growth Arithmetic, Population and Energy, Dr. Albert A. Bartlett

Sparks of AGI: early experiments with GPT-4

Simon Peyton-Jones: Escape from the ivory tower: the Haskell journey

Let's build the GPT Tokenizer

Preface | MIT Calculus Revisited: Single Variable Calculus

Immediate-Mode Graphical User Interfaces - 2005

Great Impractical Ideas in Computer Science: PowerPoint Programming

Real Analysis, Lecture 1: Constructing the Rational Numbers

Marc Levoy - Lectures on Digital Photography - Lecture 1 (21mar16).mp4

LSTM is dead. Long Live Transformers!

Raft lecture (Raft user study)

Building Software Systems At Google and Lessons Learned

Why the world population won’t exceed 11 billion | Hans Rosling | TGS.ORG

Lecture 19: Dynamic Programming I: Fibonacci, Shortest Paths

Lecture 1 | Programming Paradigms (Stanford)

2. Behavioral Evolution

Building Your Own Dynamic Language

Colossus - The Greatest Secret in the History of Computing

Anders Hejlsberg on Modern Compiler Construction

John Hennessy and David Patterson 2017 ACM A.M. Turing Award Lecture

Donald B. Gillies Lecture: Dr. Michael Stonebraker

Math Encounters -- Five Balls, Two Hands: The Patterns of Juggling -- Colin Wright (Presentation)

Will AI outsmart human intelligence? - with 'Godfather of AI' Geoffrey Hinton

Lecture 1: Probability and Counting | Statistics 110

Lecture 1 | Natural Language Processing with Deep Learning

Cosmos - Carl Sagan - 4th Dimension

Seymour Papert 1983

1. A strange determinant

Do we need Attention? - Linear RNNs and State Space Models (SSMs) for NLP

The "Last Lecture" by Randy Pausch

Efficient Bayesian inference with Hamiltonian Monte Carlo -- Michael Betancourt (Part 1)

Hamming, "n-Dimensional Space" (April 14, 1995)

Lecture 7: Introduction to Galois Fields for the AES by Christof Paar

Peter Norvig - The Unreasonable Effectiveness of Data

17. Succinct Structures I