Crackhappy@lemmy.world to Ask Lemmy@lemmy.worldEnglish · 10 months agoWhen our species has become extinct, is there anything that would survive long enough to tell the next intelligent species to arise that we were a technological civilization?message-squaremessage-square61fedilinkarrow-up194arrow-down16
arrow-up188arrow-down1message-squareWhen our species has become extinct, is there anything that would survive long enough to tell the next intelligent species to arise that we were a technological civilization?Crackhappy@lemmy.world to Ask Lemmy@lemmy.worldEnglish · 10 months agomessage-square61fedilink
minus-squareSemi-Hemi-Demigod@kbin.sociallinkfedilinkarrow-up22·edit-210 months agoA very thin smear of exhaust fumes, long-chain hydrocarbons, and rare radioisotopes. Also a very clear mass extinction event.
A very thin smear of exhaust fumes, long-chain hydrocarbons, and rare radioisotopes.
Also a very clear mass extinction event.