Hacker ApprovedDepartments

The best educational videos, according to hackers

8 educational videos were recommended on Hacker News between November 2025 and November 2026. We rank them by how many separate people recommend each one, and 3 earn the Hacker Approved badge.

Top picks

The three most recommended educational videos with the badge. Each figure is 2 people. RecommendsCriticizes One comment

  1. Andrej Karpathy YouTube videos

    24 recommend, 3 criticize, 89% approval

    Shares rank 1 of 8 by recommenders

    Clear introduction to LLM basics

    Free video tutorials by Andrej Karpathy that explain LLMs and deep learning basics clearly, with hands-on code that people say helps newcomers.

  2. Handmade Hero by Casey Muratori

    24 recommend, 10 criticize, 71% approval

    Shares rank 1 of 8 by recommenders

    Free, clear educational videos

    Recommended as a free, detailed video course for learning low-level programming and game development, with source code and line-by-line explanations. Critics note it trails off without a finished game.

  3. Essence of Linear Algebra by 3Blue1Brown

    16 recommend, 1 criticize, 94% approval

    Ranked 3 of 8 by recommenders

    Strong geometric intuition and visualizations

    Free YouTube video series that builds geometric intuition for linear algebra through visualizations, helping concepts click for many viewers. Main caveat: the videos are dense, and some say they learned little from them.

All 8 educational videos, ranked

Select a column heading to sort. Approval share is recommenders out of everyone who gave an opinion; the tick on each bar marks the 2 to 1 line the badge needs. Months counts the months, out of 13, in which someone recommended it.

Educational videos ranked by the number of people who recommend them
Rank
Tied 1Andrej Karpathy YouTube videos24389%10—Approved
Tied 1Handmade Hero by Casey Muratori241071%10—Approved
3Essence of Linear Algebra by 3Blue1Brown16194%7—Approved
4Ask an Astronaut90100%1——
5Terence Tao explains 6 essential mathematical concepts70100%2——
Tied 6FastUbu6186%2——
Tied 6Digital Show & Tell by Monty Montgomery60100%2——
8There is No Quintic Formula by 2swap5271%2——

How we rank

Rank is the number of separate people who recommend a product in a Hacker News comment over the past year. Someone who praises the same educational video in five threads counts once.

The badge goes to educational videos that at least 10 people recommend, with recommenders outnumbering critics at least 2 to 1, recommended in at least 4 of the 13 months.

Rankings are never for sale. We may earn a commission when you buy through our links. It never changes the order.