Where are the Flying Cars? Science, Technology, and Public Policy

Where are the Flying Cars? is not really about flying cars. It's a brief discussion of science, technology and public policy, and the need to confront the reality that not all new and proposed technologies will ultimately prove to be both successful and (hopefully) environmentally benign.
We as a species have been so successful in constructing various devices and machines, as well as artificial materials, that we tend to think that with enough money and creativity we can make anything work. ...