IamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 days agoTIL ancient Persians built desert freezers called 'Yakhchals' around 400 BC that kept ice frozen year-round using evaporative cooling and smart architecture.www.utubepublisher.inexternal-linkmessage-square24linkfedilinkarrow-up11arrow-down10cross-posted to: [email protected]
arrow-up11arrow-down1external-linkTIL ancient Persians built desert freezers called 'Yakhchals' around 400 BC that kept ice frozen year-round using evaporative cooling and smart architecture.www.utubepublisher.inIamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 days agomessage-square24linkfedilinkcross-posted to: [email protected]
minus-squareBreadstickNinja@lemmy.worldlinkfedilinkEnglisharrow-up0·3 days agoHorse hair is very much a thing and used for insulation. I lived in an apartment in Boston built in the 1890s that had horse-hair insulation. I do think it’s from the mane and tail and not the fine fur of the body. But that would just be an assumption.
Horse hair is very much a thing and used for insulation. I lived in an apartment in Boston built in the 1890s that had horse-hair insulation.
I do think it’s from the mane and tail and not the fine fur of the body. But that would just be an assumption.