Today I Learned@lemmy.worldEnglish · 8 months ago

TIL that underfloor heating was invented by Neolithic peoples

en.wikipedia.org

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TIL that underfloor heating was invented by Neolithic peoples

en.wikipedia.org

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Today I Learned@lemmy.worldEnglish · 8 months ago

Underfloor heating - Wikipedia

en.wikipedia.org

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TheTurner@lemmy.zip
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  River rocks will if you get them too hot too fast, because they have water inside, and it boils. Drier rocks are usually OK, they might crack though.

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