Graphene Breakthrough — One Photon Can Be Converted Into Multiple Electrons

[GliderGuider]

7. Maybe this will keep the human experiment running

At least, long enough to finish eating everything worth eating on the planet.

Does anyone know why we can't seem to stop? From today back through the beginning of the industrial age 200 years ago; through the discovery of agriculture 10,000 years ago; through the discovery of fire 250,000 years ago, through the development of language 500,000 years ago; back to the first time our ancestors gained an evolutionary advantage by starting to eat meat 3.5 million years ago. The march of human progress has been a steady curve of growth - rising slowly at first, then faster and faster as we gained access to higher quality energy sources and learned how to manipulate them to our advantage. Why has no human society in all that time ever said "Enough" - and lived to tell the tale?