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How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251

SmarterEveryDay · explainer · Watch on YouTube

Ships, submarines & maritimeEveryday physics & science demosChemistry

What it is

A Smarter Every Day episode from aboard a nuclear submarine on how the crew makes breathable air. It covers oxygen generation from seawater, oxygen candles and CO2 scrubbing with amine.

Why Hacker News recommends it

Go-to link when oxygen candles, CO2 capture or submarine air quality come up.

  • 5 people recommended it
  • 5 different months
  • 0 strong recommendations
  • first 2021, last 2026

What HN commenters said

  1. “Smarter Every Day did a video on it and atmosphere management on a submarine more generally which is pretty neat.”

    Covers submarine atmosphere management including CO2 scrubbing around 20 minutes.

    rtkwe, 2021-04 · Recommendation · in “A CO2 capture solvent with exceptionally low total costs of capture”

  2. “You might find this series from Smarter Every Day interesting.”

    Episode on how nuclear subs regenerate oxygen.

    nielsbot, 2021-06 · Recommendation · in “Nuclear Power at McMurdo Station, Antarctica”

  3. “I really enjoyed this Smarter Every Day episode that talks about maintaining air quality on a submarine”

    Enjoyable episode on maintaining submarine air quality.

    CharlesW, 2022-04 · Recommendation · in “Nukes, nubs and coners: The unique social hierarchy aboard a nuclear submarine”

  4. “this is a great introduction to the topic”

    Great introduction to submarine oxygen generation.

    rdl, 2022-05 · Recommendation · in “Oxygen Candles: Providing Emergency Air”

  5. “The video on producing oxygen was particularly enlightening”

    Educational series aboard a nuclear sub; oxygen episode especially enlightening.

    helsinkiandrew, 2023-08 · Recommendation · in “Life on board a British nuclear submarine (2012)”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: nuclear submarine, oxygen candles, co2 scrubbing, life support, electrolysis

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