IamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 2 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-square25linkfedilinkarrow-up1279arrow-down13cross-posted to: til@lemmy.world
arrow-up1276arrow-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 · 2 days agomessage-square25linkfedilinkcross-posted to: til@lemmy.world
minus-squareBreadstickNinja@lemmy.worldlinkfedilinkEnglisharrow-up6·22 hours 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.