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-square25fedilinkarrow-up1279arrow-down13cross-posted to: [email protected]
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-square25fedilinkcross-posted to: [email protected]
minus-squareChapulinColorado@lemmy.worldlinkfedilinkEnglisharrow-up3·1 day agoSeems like loose goat hair with clay could be used similarly to fiberglass with resin, or steel reinforcements in cement, just a different use case.
Seems like loose goat hair with clay could be used similarly to fiberglass with resin, or steel reinforcements in cement, just a different use case.