HN Library

Category: Physics, Space & Chemistry

Results for “react”

10 videos

30:48

nuclear fusionExplainer

A New Way to Achieve Nuclear Fusion: Helion

Real Engineering

8.4M views · 2022-12-17

5 HN recommenders

10:45

dangerous chemicalsExplainer

The 5 Most Dangerous Chemicals on Earth

SciShow

11.9M views · 2014-12-13

3 HN recommenders

6:42

fluorine chemistryDemo

Fluorine - Periodic Table of Videos

Periodic Videos

2.1M views · 2010-07-15

4 HN recommenders

24:59

alkali metal explosionsExplainer

High speed camera reveals why sodium explodes!

Thunderf00t

484.4K views · 2015-01-30

2 HN recommenders

9:55

sugar chemistry in sodaExplainer

Everyone is Wrong About Mexican Coke (Even @johnnyharris)

Reactions

1.2M views · 2024-12-11

2 HN recommenders

10:33

anechoic chambers and silenceExplainer

Testing if 60 minutes of silence drives you crazy

Veritasium

32.8M views · 2014-02-18

2 HN recommenders

49:05

reusable spaceplane enginesDocumentary

The Three Rocketeers-2012:BBC-Future of Space trav

FirstSecondThoughts

151.8K views · 2012-09-14

2 HN recommenders

13:13

nuclear rocket propulsionExplainer

The Nuclear Salt Water Rocket - Possibly the Craziest Rocket Engine Ever Imagined.

Scott Manley

970.5K views · 2021-01-11

1 HN recommender

7:17

helion fusion skepticismCommentary

The problems with Helion Energy - a response to Real Engineering

Improbable Matter

912.3K views · 2023-01-19

Discussed on HN

12:32

chernobyl radiation

chernobyl 2013: radioactive ant bites & 115 mSv/h of pure gamma radiation

bionerd23

603.7K views · 2013-11-16

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