@[email protected] to World NewsEnglish • 9 days agoA Century of Human Detritus, Visualized | “Technostuff” built in the last 100 years outweighs all the living matter on Earth.www.nytimes.comexternal-linkmessage-square13fedilinkarrow-up166arrow-down15cross-posted to: [email protected][email protected]
arrow-up161arrow-down1external-linkA Century of Human Detritus, Visualized | “Technostuff” built in the last 100 years outweighs all the living matter on Earth.www.nytimes.com@[email protected] to World NewsEnglish • 9 days agomessage-square13fedilinkcross-posted to: [email protected][email protected]
minus-square@A_AlinkEnglish1•8 days agoYes, of course I know for cement … but you know : my comment was about gravel (agregates in the picture) and in concrete you have aprox. 10% cement. (i have also wrote another comment about cement and carbon dioxide elsewhere in this post)
Yes, of course I know for cement … but you know : my comment was about gravel (agregates in the picture) and in concrete you have aprox. 10% cement.
(i have also wrote another comment about cement and carbon dioxide elsewhere in this post)