• ValenThyme@reddthat.com
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    7 months ago

    interesting! probably water molecules collecting inside through micro cracks over the years, it’s the h2o molecules in food that act as the microwave susceptors

    • SkyJuice@lemmy.world
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      7 months ago

      Microfractures from the cup constantly expanding and contracting sounds most likely. Cup has been through war lol