Confidence is good, but to be in control is better! Our journey to write a general introduction to control and feedback started with the realisation that in our chosen field of study the proponents have taken little time to project the main ideas outside the community of the initiated. We are constantly - minded of the fact that there is no general awareness of control engineering, or c- trol technology, despite its ubiquity when we try to introduce ourselves as control engineers. Invariably ...

From a leading expert, a groundbreaking book on the science of play, and its essential role in fueling our happiness and intelligence throughout our lives

We've all seen the happiness on the face of a child while playing in the school yard. Or the blissful abandon of a golden retriever racing across a lawn. This is the joy of play. By definition, play is purposeless, all-consuming, and fun. But as Dr. Stuart Brown illustrates, play is anything but trivial. It is a biological drive as integral...