Electric motor scaling laws and inertia in robot actuators(robot-daycare.com)

113 points by o4c 7 months ago | 20 comments

Launch HN: Vassar Robotics (YC X25) – $219 robot arm that learns new skills

552 points by charleszyong 1 year ago | 214 comments

Launch HN post for Vassar Robotics' $219 desktop robot arm kit based on LeRobot SO-101, with cameras and an MCP server letting LLMs invoke learned skills.

The Apple Calculator Language(wadetregaskis.com)

36 points by ingve 2 months ago | 7 comments

Coroutines make robot code easy(bvisness.me)

181 points by bvisness 3 years ago | 100 comments

My First PCB (2019)(lindzey.github.io)

48 points by todsacerdoti 2 years ago | 21 comments

Zipp 2001 Restoration(robot-daycare.com)

26 points by o4c 7 months ago | 2 comments

How to Train Your Robot(construction-physics.com)

124 points by crescit_eundo 11 days ago | 40 comments

Construction Physics essay by Brian Potter on how robots are trained and the role of training data and scaling in advancing robot AI capabilities.

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.

CARA – High precision robot dog using rope(aaedmusa.com)

972 points by hakonjdjohnsen 1 year ago | 168 comments

Project page for CARA, a homemade quadruped robot dog using rope-based capstan drives for high precision, with an embedded YouTube video.

Burning Man death rates – A short lesson in statistics(ihavenapkinthoughts.substack.com)

158 points by viraj_shah 27 days ago | 201 comments

Substack post analyzing Burning Man 2026 deaths against age-standardized national death rates, arguing its historically low rate reflects selection bias.

AI demands more engineering discipline. Not less(charitydotwtf.substack.com)

321 points by BerislavLopac 4 months ago | 157 comments

Charity Majors' Substack essay arguing that AI-assisted development requires more engineering discipline, comparing it to the shift from pet servers to immutable infrastructure.

The characters of plastics (2024)(yarchive.net)

19 points by thelastgallon 23 days ago | 4 comments

A 2024 blog post comparing common plastic types such as polyethylene and nylon to human characters, explaining their chemical properties and uses.