Comments by "Rob Fraser" (@krashd) on "How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251" video.

  1. If it's not broken, don't fix it.
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  2.  @Shmey  I remember that episode of Mayday, that plane never stood a chance once those oxygen generators ignited.
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  3. A nuclear-powered sub will be almost constantly submerged, an air-independent-propulsion sub will spend most of it's time submerged, and a diesel sub will be about half-and-half with as much time on the surface recharging batteries as it does submerged using up the batteries.
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  4. You'd have to cut a hole in the top of the submarine for photosynthesis to happen.
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