Maya Calendar During his last sabbatical, professor M. A. Ya made a surprising discovery about the old Maya calendar. From an old knotted message, p...
When we started thinking about writing the first edition of this book a few years ago, we had been working together for more than five years on the bo...
When we started thinking about writing this book, we had been working together for more than five years on the borderline between propagation and sign...
The insinuation of telecommunications into the daily fabric of our lives has been arguably the most important and surprising development of the last 2...
