HackerTubewatch
Surprise me
Frame from The 5 Most Dangerous Chemicals on Earth Plays via YouTube's privacy-enhanced embed

The 5 Most Dangerous Chemicals on Earth

SciShow
Explainers
YouTube
3 HN users recommended this explainer3 months2015–2020 score 3
Years with an HN recommendation, 2007–2026

Recommended as a fun companion to threads about hazardous chemistry, such as hydrofluoric acid and reactive substances.

A SciShow episode in which Hank Green introduces five of the most dangerous chemicals, from lethal toxins to substances that explode on contact. It is an entertaining overview of extreme chemical hazards.

“This is a fun video to watch” (HN, 2020)

3 recommendations · Explainers

3 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@eftychis Jan 2020 Recommends
on HN thread Root cause analysis on the Notre Dame fire
Yes concrete is "flammable" in the context of fluorine (most things are though). Chlorine trifuoride is extremely notorious for that. Silicon dioxide can be oxidized by fluorine (which is a stronger oxidizing agent than oxygen, so...) P.S. This is a fun video to watch [this video] for "exciting" chemicals.
Fun overview of extremely dangerous, reactive chemicals

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.

Keyboard shortcuts

/
Search
j k
Next / previous video
r
Surprise me
l
Like (video page)
w
Watch later (video page)
?
This help
Esc
Close