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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.

Demo×Evergreen only×
10 mo on HN

elevated by Rgba & TBC | 4k intro (FullHD 1080p demoscene demo)

Demoscene High-Quality Videos (Annikras)
7 HN recommender · 2013–2025
10 mo on HN

Conway's Game Of Life in APL

Dyalog
11 HN recommender · 2010–2024
9 mo on HN

Harder Drive: Hard drives we didn't want or need

suckerpinch
12 HN recommender · 2022–2025
10 mo on HN

MarI/O - Machine Learning for Video Games

SethBling
10 HN recommender · 2015–2026
9 mo on HN

A Mind Is Born (256 bytes)

lftkryo
8 HN recommender · 2017–2025
10 mo on HN

Alan Kay's tribute to Ted Nelson at "Intertwingled" Festival

TheTedNelson
7 HN recommender · 2016–2025
10 mo on HN

Computer program that learns to play classic NES games

suckerpinch
9 HN recommender · 2015–2025
8 mo on HN

The Mother of All Demos, presented by Douglas Engelbart (1968)

Marcel
8 HN recommender · 2013–2026
8 mo on HN

I bought 1000 meters of wire to settle a physics debate

AlphaPhoenix
8 HN recommender · 2021–2026
9 mo on HN

Literate Devops with Emacs

Howard Abrams
8 HN recommender · 2015–2025
8 mo on HN

7 minutes of Pharo Smalltalk for Rubyists

Avdi Grimm
5 HN recommender · 2017–2026
7 mo on HN

NaN Gates and Flip FLOPS

suckerpinch
7 HN recommender · 2020–2025
7 mo on HN

[EPILEPSY WARNING] How fast should an unoptimized terminal run?

Molly Rocket
6 HN recommender · 2021–2026
6 mo on HN

BOLTR: Juicero, Cold Press Juicer for Rich Weirdos

AvE
6 HN recommender · 2017–2026
7 mo on HN

Elevated by RGBA and TBC

BUTTONTANG
7 HN recommender · 2009–2025
6 mo on HN

VisiData Lightning Demo at PyCascades 2018

Saul Pwanson
6 HN recommender · 2018–2025
6 mo on HN

Life in life

Phillip Bradbury
6 HN recommender · 2013–2025
6 mo on HN

Interactive programming Flappy Bird in ClojureScript

Bruce Hauman
6 HN recommender · 2015–2020
5 mo on HN

Coding Adventure: Ant and Slime Simulations

Sebastian Lague
6 HN recommender · 2021–2024
6 mo on HN

A New Car UI: How touch screen controls in cars should work

Matthaeus Krenn
4 HN recommender · 2017–2023
6 mo on HN

Robust-first computing: Demon Horde Sort (full version)

Dave Ackley
3 HN recommender · 2015–2023
5 mo on HN

Stevey's Tech Talk E39 -- A guided tour of Emacs

Steve Yegge
5 HN recommender · 2022–2024
5 mo on HN

Eric Bier Demonstrates Cedar

Computer History Museum
3 HN recommender · 2020–2025
5 mo on HN

Using a 1930 Teletype as a Linux Terminal

CuriousMarc
4 HN recommender · 2020–2025
5 mo on HN

Ivan Sutherland Sketchpad Demo 1963

Interface Studies
5 HN recommender · 2016–2025
4 mo on HN

A Sudoku Solver in APL

Dyalog
4 HN recommender · 2015–2022
6 mo on HN

Mock Interview with Shawn McGrath

Molly Rocket
6 HN recommender · 2017–2023
4 mo on HN

Tomorrow Corporation Tech Demo

retrogameinternals
5 HN recommender · 2023–2026
5 mo on HN

Ted Nelson demonstrates Xanadu Space

photonhunter
5 HN recommender · 2011–2022
5 mo on HN

The Black Lotus - Eon - Amiga Demo (50 FPS)

RetroDemoScene
4 HN recommender · 2019–2026
5 mo on HN

Symbolics Lisp Machine demo Jan 2013

Kalman Reti
5 HN recommender · 2014–2024
4 mo on HN

fr-08: .the .product by farbrausch | 64k intro (2000) (720p HQ demoscene demo)

Demoscene High-Quality Videos (Annikras)
2 HN recommender · 2016–2020
5 mo on HN

BOLTR: DYSON HAIR DRYER. Is it WORTH the MONEY?

AvE
4 HN recommender · 2017–2023
4 mo on HN

Twenty Minutes of Reasons to Use the RemedyBG Debugger

Molly Rocket
4 HN recommender · 2022–2024
4 mo on HN

Emacs Rocks! Episode 17: Magit

emacsrocks
4 HN recommender · 2017–2020
3 mo on HN

Intrinsic Gravity by Still

TiXL
3 HN recommender · 2019–2026