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submitted 3 months ago by xkcdbot@lemmy.world to c/xkcd@lemmy.world

xkcd #3187: High Altitude Cooking Instructions

Title text:

1,300,000-1,400,000 ft: Ask a crew member to show you how to use the ISS food warmer.

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3187/

explainxkcd for #3187

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[-] deltapi@lemmy.world 8 points 3 months ago

The extra cooking time results in more water loss. I'd imagine in most recipes it'd be nearly imperceptible.

[-] Amuletta@lemmy.ca 0 points 3 months ago

Definitely not as much as half a cup.

[-] WalrusDragonOnABike@reddthat.com 1 points 3 months ago

Wouldn't it depend on how many cups the original recipe calls for?

I wonder if it's assuming you don't use a slightly lower heat output though despite the lower boiling point?

[-] deltapi@lemmy.world -1 points 3 months ago

If you're cooking something at altitude you shouldn't lower the heat - you still need to cook it properly.

[-] WalrusDragonOnABike@reddthat.com 1 points 3 months ago

Boiling water is a fixed temperature at a given air pressure. Turning up the heat doesn't make the water hotter. You just lose it faster. If you need higher temperatures and are cooking in boiling water, then you have to use a pressure cooker.

[-] deltapi@lemmy.world -1 points 3 months ago

Who said anything about turning the heat UP?

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this post was submitted on 29 Dec 2025
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