https://mceglowski.substack.com/p/lets-talk-space-toilets
Article
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Deep dive into the engineering challenges of toilets in microgravity
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Covers Shuttle, ISS, and Skylab designs — all rely on airflow instead of gravity
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Solid waste bagged and burned on reentry; urine processed or vented (freezes on hull)
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Training mockups with cameras used on Earth to practice correct positioning
Discussion
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Commenter links to ISS urine tank fullness tracker available as a menu bar app
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Debate: would centrifugal gravity ships make this whole problem moot?
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‘Burning dung is a tradition across millennia’ noted re: waste roasting process
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Someone flagged the obvious: this is a terrible lunch read
Discuss on HN
