The greatest advance in navigation came with the compass. The Chinese apparently knew about the powers of magnetism as early as the third millennium B.C., when, historians tell us, one army ...

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...

It features 632 sites across the UK, Europe and into Africa including urban settlements and mountain passes The map covers approximately 4 million square miles (10 million square km) of land and ...

The ancient Maya also mastered astronomy, mathematics, art and architecture, and a glyph system of writing on stone, ceramics, and paper. Using the labels on or below the map below, visit 15 of ...

The ancient city of Troy was located along the northwest ... These are frequently identified as Troy I-Troy IX. On the interactive map on the home page, the levels are represented by different ...