Although they look similar on this map, the road and the river are examples of the two different types of geography: physical and human. Amber: That sounds complicated! Mr Lewis: Not really.

The key to creating a good topographic relief map is good material stock ... anyone with a CNC machine like this could easily reproduce their terrain of choice. We imagine the process might ...

NASA and the French space agency CNES's SWOT satellite provides researchers with the tools to create the most accurate ocean ...