Darwinian Machines - The Essence of Darwin

In the beginning there is mindless purposeless natural selection and it can actually design beautiful machines by the Darwinian process. It's slow but it can speed up along the way. So evolution has improved its gain over the millions of billions of years adding new steps which enhance the capacity of natural selection to explore regions of design space. And that's right. You don't have to understand. Much comes later, comprehension comes later.