The transition from the Stone Age to the age of metals marks the historical arrival of civilization. But, how was it that people first learned to see stone not as a tool in itself but as a reservoir of better tools? And how did we master that material revolution to forge cars & computers from sticks & stones? To help support How It Began, go to https://howitbegan.com/support. For more information on this episode, go to https://howitbegan.com.