Tech talks

Best Tech Talks 2015, Ranked by Hacker News

First recommended on Hacker News in 2015, still worth watching: these 305 tech talks and lectures earned 1127 recommendations across the years.

‹ 2014 2016 ›All tech talks

Explainer×Evergreen only×

6 mo on HN

Why do prime numbers make these spirals? | Dirichlet’s theorem and pi approximations

3Blue1Brown

Recommended 7× on HN · 2019–2024

5 mo on HN

Star Size Comparison 2

morn1415

Recommended 5× on HN · 2016–2022

5 mo on HN

The Most Powerful Computers You've Never Heard Of

Veritasium

Recommended 6× on HN · 2021–2025

5 mo on HN

Computer Color is Broken

minutephysics

Recommended 4× on HN · 2015–2026

4 mo on HN

Characters, Symbols and the Unicode Miracle - Computerphile

Computerphile

Recommended 4× on HN · 2014–2025

5 mo on HN

Drip Coffee Makers — super simple, super cheap

Technology Connections

Recommended 7× on HN · 2022–2024

5 mo on HN

How To Count Past Infinity

Vsauce

Recommended 6× on HN · 2016–2022

5 mo on HN

IBM Selectric Typewriter & its digital to analogue converter

engineerguy

Recommended 4× on HN · 2016–2025

4 mo on HN

This equation will change how you see the world (the logistic map)

Veritasium

Recommended 4× on HN · 2020–2023

4 mo on HN

Nintendo - Putting Play First

Game Maker's Toolkit

Recommended 3× on HN · 2017–2025

4 mo on HN

How does Computer Memory Work? 💻🛠

Branch Education

Recommended 5× on HN · 2022–2023

5 mo on HN

A Look Inside Apple's $130 USB-C Cable

Adam Savage’s Tested

Recommended 6× on HN · 2023–2026

5 mo on HN

Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile

Numberphile

Recommended 5× on HN · 2016–2024

5 mo on HN

Why Not Just: Think of AGI Like a Corporation?

Robert Miles AI Safety

Recommended 5× on HN · 2020–2023

Best Tech Talks 2015, Ranked by Hacker News

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Features

Intelligence and Stupidity: The Orthogonality Thesis

The Fastest Way to Board a Plane Feels Like the Slowest

Watch electricity hit a fork in the road at half a billion frames per second

All the Numbers - Numberphile

30 Weird Chess Algorithms: Elo World

The more general uncertainty principle, regarding Fourier transforms

JPEG DCT, Discrete Cosine Transform (JPEG Pt2)- Computerphile

Fourier Optics used for Optical Pattern Recognition

Visualizing the 4d numbers Quaternions

Do Chairs Exist?

Ramanujan: Making sense of 1+2+3+... = -1/12 and Co.

CGA Graphics - Not as bad as you thought!

Can You Watch This Without Getting Angry?

Old pinball machines are amazingly complex

What does it feel like to invent math?

How I Designed a Free Music Font for 5 Million Musicians (MuseScore 3.6)

Mouse Cursor History (and why I made my own)

P vs. NP and the Computational Complexity Zoo

Traffic Has a Perfect Solution. Humans Are the Problem.

But what is the Riemann zeta function? Visualizing analytic continuation

How lucky is too lucky?: The Minecraft Speedrunning Dream Controversy Explained

Who cares about topology? (Old version)

Why do prime numbers make these spirals? | Dirichlet’s theorem and pi approximations

Star Size Comparison 2

The Most Powerful Computers You've Never Heard Of

Computer Color is Broken

Characters, Symbols and the Unicode Miracle - Computerphile

Drip Coffee Makers — super simple, super cheap

How To Count Past Infinity

IBM Selectric Typewriter & its digital to analogue converter

This equation will change how you see the world (the logistic map)

Nintendo - Putting Play First

How does Computer Memory Work? 💻🛠

A Look Inside Apple's $130 USB-C Cable

Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile

Why Not Just: Think of AGI Like a Corporation?