55:46rocket launch emissionsExplainer
How Much Do Rockets Pollute? Are They Bad For Our Air?
Everyday Astronaut
6 HN recommenders
Search results
- Category: Physics, Space & Chemistry
Results for “paris”
5 videos55:46
6:51
14:15fuel flammabilityDemo
Jet Fuel VS Diesel VS Gasoline how they burn and what color are they.
Just Think
2 HN recommenders
3:14human power outputDemo
Olympic Cyclist Vs. Toaster: Can He Power It?
The Toaster Challenge
3 HN recommenders
10:39penetrating oil comparisonDemo
Which Penetrating Oil is Best? Let's find out!
Project Farm
Discussed on HN
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