4 ms·
Wouldn't it be handy if you could make granules of "sand" out of carbon, perhaps captured from the air...
by ip26 7y ago
Wouldn't it be handy if you could make granules of "sand" out of carbon, perhaps captured from the air...
- adamzk 7y agoExcept sand is silicon not carbon
- 0815test 7y agoIt's even better than that. You can grind metal oxides that form a sizeable fraction of Earth's crust and are relatively easy to extract into a sort of "dust" or "sand" that will actively sequester carbon out of the air, with no further energy input needed. Not silicon-based rock, though,
- thechao 7y agoAn olivine-process concrete would be the holy grail: net-carbon negative concrete.