• Railcar8095@lemmy.world
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    53 minutes ago

    Yeah, keep posing this images, don’t complain when Freezer attacks looking for the other 7 balls

  • jpablo68@infosec.pub
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    1 hour ago

    good question actually, the esophagus can squeeze things towards the stomach without gravity’s help.

  • hperrin@lemmy.ca
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    2 hours ago

    I don’t know about you guys, but I just open my throat straight down to my stomach and pour the food in.

      • roscoe@lemmy.dbzer0.com
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        4 hours ago

        Yup, cures my hiccups. Lay back over something so mouth to stomach is reverse inclined, as close to vertical as I can get. Then take several swallows of water. Either one mouthful that I took before I laid back swallowed a little at a time, or several sips from a straw after laying back.

    • exasperation@lemmy.dbzer0.com
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      4 hours ago

      You can swallow things while dangling upside down. The esophagus is strong enough to work against gravity.

      But liquids are a little bit more difficult, because they tend to flow in unexpected places in the mouth/sinuses/nose before trying to swallow.

      • CultLeader4Hire@lemmy.world
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        2 hours ago

        Once I had to drink barium while being tilted upside down on a big table while they watched it with X-rays… apparently that’s a medical test lol I didn’t find it anymore difficult than drinking normally personally but it has to do with the strength of your swallow most of all, which is what they were testing at the time.

  • megopie@beehaw.org
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    5 hours ago

    This was legitimately a significant concern that early space programs had. Like, how well would people be able to swallow in free fall, would certain kinds of food cause problems? The food experiments during the Gemini program are pretty interesting

  • MonkderVierte@lemmy.zip
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    8 hours ago

    Right, why do we have that redundant swallowing mechanism? Did enough people choke while eating upside down to make a difference? Wait, this is from our ape-y ancestry?

    • tigeruppercut@lemmy.zip
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      7 hours ago

      Most water back in the day was at ground level, so if we could only rely on gravity we’d have had a hell of a time bending down to slurp it up.

    • JayleneSlide@lemmy.world
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      8 hours ago

      My guess it’s even older than that. My bullshitspiration is that peristalsis enabled more complex digestion when our quadruped ancestors needed more nutrition options.

      • Zron@lemmy.world
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        8 hours ago

        How about the fact that being a qaudruped is basically the body plan for mammals. Humans are the weird ones for standing upright and having our mouths be directly above our stomachs. Every other mammal has their stomach mostly parallel with the mouth while standing. In order for food to get to the stomach, you’d need some force moving the food sideways towards the stomach.

  • Tudsamfa@lemmy.world
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    9 hours ago

    I think there was a science experiments book for kids that dared me to drink water upside down through a straw while hanging from monkey bars or something. It was meant to show how our body deliberately moves food towards the stomach instead of solely relying on gravity, but instead it showed that I my legs were too weak.

    A shame these experiments are deemed to dangerous nowadays and people have to show their ignorance online, simply because the new metal straws have pierced the brains of anyone who did them.

    • Avicenna@programming.dev
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      7 hours ago

      I mean I can totally see kids choking on water while doing this too. Yes muscles but I am sure gravity helps too.

    • notabot@piefed.social
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      8 hours ago

      because the new metal straws have pierced the brains of anyone who did them.

      I am confused by this, straws go in the mouth, if people are sticking them in their brains, they’re doing it wrong, or are you saying there is a crack team of assasins out there who’ve vowed to keep this knowledge secret in a particularly gruesome manner?

      • Tudsamfa@lemmy.world
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        8 hours ago

        I implied that I fell from the monkey bars, and since I was drinking through a straw, I fell head first onto my water glass with the straw in my mouth that was below me. A common misconception of metal straws is that they are dangerous and can pierce through the mouth into the brain.

        I guess I could specify where the glass is in the experiment.

        • gandalf_der_12te@discuss.tchncs.de
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          4 hours ago

          A common misconception of metal straws is that they are dangerous and can pierce through the mouth into the brain.

          I mean it depends on the diameter of the straw. If the straw is thin as a needle, i imagine it sure can. I mean it’s only about the pressure, not the total amount of force. And pressure is force per area, so if the cross-section area of the straw is small, it will generate enormous pressure and that can surely pierce your skull.

  • starlinguk@lemmy.world
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    11 hours ago

    I’ve just realised that because of my esophageal dysmotility I wouldn’t be able to eat in space.

    • gandalf_der_12te@discuss.tchncs.de
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      4 hours ago

      you could set the spaceship in rotating motion, sothat the centripetal forces push you outwards and create the impression of artificial gravity for you.

      besides, why does no spaceship seem to be doing this today, like, at all?

    • Asetru@feddit.org
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      11 hours ago

      Is this a writing prompt about being left behind on a dying earth because you’d starve on your voyage to Mars?