During the Middle Ages, castles and other fortified buildings were a common feature of the European landscape. As central powers rose and fell, the insecurity of the time inspired a revival of fortification techniques first introduced in the Roman Empire. Despite limitations in construction techniques and manpower, medieval fortifications...

Spiritual intelligence (SQ) is about discovering the “why” of what we do...

Peel back the Web's opulent exterior and see how HTML makes it all look so great. Author Wendy Willard will help you understand HTML with clear lessons delivered in a proven learning system. In dedicated modules that act as stand-alone lessons, you'll discover how to structure a page, place images, size text,...

So begins...

This Handbook explores the history of mathematics under a series of themes which raise new questions about what mathematics has been and what it has meant to practice it. It addresses questions of who creates mathematics, who uses it, and how. A broader understanding of mathematical practitioners naturally leads to a new appreciation of what...