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Joined 1 year ago
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Cake day: March 31st, 2025

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  • But anyways - why is there a vacuum in the jar? To preserve the jam? Isn’t jam a preserve? Like, I thought the whole raison d’etre of jam was as a way to make fruit keep, unrefrigerated, through the winter? Why must we preserve the preserve? Quis custodiet ipsos custodes?

    this is ā€œfucking magnets, how do they workā€ translated to rationalist, except that explaining magnets involves quantum mechanics and explaining jam jars involves high school physics (saturated vapor pressure vs temperature. that might be before high school). i also like how one linked explanation sits near two pieces of slop and is wrong