What idea will change everything? "Prediction is difficult, especially when it concerns the future." The quote about the difficulty of recognizing the future, is sometimes attributed to Karl Valentin, or even Mark Twain. Technological views of wrong as forecasts made around the time of 2000 testify: from nuclear powered cars ri settlements on Mars. In this book, however, the cream of the global research community ventures forth with their outlooks in brief essays. A good book by sober scientists, not by technology dreamers.