25:21Old car headlights were all the same — which was a fairly bright idea
Technology Connections
4 HN recommenders
Other engineering and hands-on topics: miscellaneous engineering explainers, product safety, inventions, patents and quirky devices.
25:21Technology Connections
4 HN recommenders
17:24Indie Picks is organized from video metadata and uploader descriptions; it is not a full-video editorial review. HN Library retains community discussions. Sources and data notes