Every Type of Railcar Explained in 15 Minutes [video](youtube.com)

116 points by zdw 3 years ago | 30 comments

Electric cars prove we need to rethink brake lights(youtube.com)

83 points by trymas 3 years ago | 101 comments

Why Did These LEDs Light Up? ESP32-S3 – Which Pins Are Safe to Use? [video](youtube.com)

69 points by iamflimflam1 2 years ago | 23 comments

I spent 3 years working on a coat hanger [video](youtube.com)

1169 points by anonymfus 2 years ago | 407 comments

YouTube video by Simone Giertz explaining why she spent three years designing and developing a coat hanger product.

How engineers straightened the Leaning Tower of Pisa [video](youtube.com)

79 points by geox 2 years ago | 37 comments

Not paying electricity for an entire year with Tesla Solar Roof [video](youtube.com)

33 points by teleforce 3 years ago | 32 comments

Terence Tao explains 6 essential mathematical concepts [video](youtube.com)

582 points by matthewsinclair 1 month ago | 77 comments

A Big Think YouTube video in which mathematician Terence Tao explains six essential concepts of mathematics.

A hacker's guide to language models [video](youtube.com)

749 points by rrampage 3 years ago | 35 comments

YouTube video by Jeremy Howard titled "A Hackers' Guide to Language Models," a code-first introduction to using and understanding LLMs.

I built a drone with only one motor [video](youtube.com)

624 points by hakonjdjohnsen 7 days ago | 139 comments

YouTube video by Joshua Bird showing how he built and flew a drone that uses only a single motor.

Learn electricity and electronics fundamentals without taking a formal course(simonmonk.org)

342 points by teleforce 1 year ago | 87 comments

Book page for Simon Monk's 'Teach Yourself Electricity and Electronics, Seventh Edition' with links to code and purchase options.

Basic Mechanisms In Fire Control Computers (1953) [video](youtube.com)

337 points by teqsun 2 years ago | 113 comments

YouTube video of a 1953 U.S. Navy instructional film explaining the basic mechanisms used in mechanical fire control computers, posted by PeriscopeFilm.

Mechanical Watch (2022)(ciechanow.ski)

700 points by razin 4 months ago | 118 comments

Bartosz Ciechanowski's interactive blog article explaining how a mechanical watch mechanism works, with draggable 3D demonstrations.