Introduction

Our culture is energy blind. Every single aspect of our society, every product, every service that results in g d p first requires an energy conversion. The benefits we get from energy are pretty much on human time scales, indistinguishable from magic give. And how much and how high quality the energy we get from fossil carbon and hydrocarbons. A barrel of oil is five point seven million b t us worth of energy potential,. translated into work potential at 17 hundred and 60 kil hours. In contrast, a human, healthy human worker generates around zero point six kilat hours worth of work, physical work, in one day. We swim in a sea of energy use like a fish swims in