HN Library

Category: Engineering, Transport & Making

Results for “pollution”

4 videos

17:08

urban noise pollutionExplainer

Cities Aren't Loud: Cars Are Loud

Not Just Bikes

2.3M views · 2021-06-28

10 HN recommenders

1:45

reversing alarmsExplainer

Why Do Reversing Trucks Not Beep Any More?

Tom Scott

1.6M views · 2014-01-24

3 HN recommenders

12:36

gas stovesExplainer

Problems with gas stovetops | weak, dirty and dangerous

Adam Ragusea

925.3K views · 2021-10-04

2 HN recommenders

42:26

wwii shipwreck oil pollutionDocumentary

Forgotten wrecks are a time bomb | DW Documentary

DW Documentary

1.9M views · 2020-07-09

1 HN recommender

Sources and selection

Videos shared and discussed on Hacker News, with original community evidence and topic labels.

Indie 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