Ray Kurzweil uses math to prove that we have no energy crisis

Futurist and singularitarian Ray Kurzweil recently told PBS' Lauren Feeney that we don't need to worry about peak oil or carbon emissions. That's a relief. He's applied his "law of accelerating returns," developed to describe the way consumer electronics improve exponentially, to the field of solar power. Kurzweil tells… » 2/22/11 7:40am 2/22/11 7:40am