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The 5 Most Dangerous Chemicals on Earth

SciShow · 11.9M views · 2014-12-13 · 10:45

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Overview

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.

On Hacker News

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

Recommended by 3 HN people across 3 months · HN mentions 2015–2020

Topics

Chemistry
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toxinssafetyscishowreactive substances

What people said

eftychis · 2020-01 · Recommendation

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 [VIDEO] for "exciting" chemicals.

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Causality1 · 2019-07 · Recommendation

One of the substances featured on the excellent "5 Most Dangerous Chemicals" episode of Sci-Show: [VIDEO]

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thingsgoby · 2015-12 · Recommendation

if you like that article you'll love this video "5 of Worlds most dangerous Chemicals" [VIDEO]

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Sources

Video by SciShow, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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