It's dinnertime, and you have the option of jumping into your air-conditioned Escalade and rolling down to the local pizzeria for a ten-inch arugula and artichoke pie, or seeing whether the hunting party comes back with any fresh kill to eat. Which would you choose?
Unless you're a contestant on Survivor and there's a million dollars on the line, I'm guessing that tonight's meal will probably include the Escalade and the pizzeria. How do I know? Humans have always preferred the cushier path. History shows that we've done an excellent job of inventing tools and materials to make life more comfortable and convenient. Our pursuit of a “better” life is what drives innovation.
Long ago, the desire for a better life motivated ...