@jeffwM to News • 19 days agoWe need copper, and these new methods could make refining it a lot cleanerwww.motherjones.comexternal-linkmessage-square1arrow-up126arrow-down12cross-posted to: [email protected]
arrow-up124arrow-down1external-linkWe need copper, and these new methods could make refining it a lot cleanerwww.motherjones.com@jeffwM to News • 19 days agomessage-square1cross-posted to: [email protected]