> Where did you get human extinction from? > The story that 10k years from now a society will be wiped out because > it’s pretty easy to detect radioactive wa

> Where did you get human extinction from? > The story that 10k years from now a society will be wiped out because > it’s pretty easy to detect radioactive waste as…. It’s radioactive. Please elaborate on all the times you determined whether something was radioactive, and how easy it was for you to determine.