Google has announced a new feature to the terrain relief maps they added last November to Google Maps. Now when you zoom in closer, the terrain shows contour lines to give you an even better feel for ...

Thank you to GEB reader ‘DJ’ for suggesting this idea in the comments of our post on simulating lakes. It turns out that the algorithm for drawing contours given a regular array of altitude data is ...

With Google Maps, you can download maps for offline viewing, invite family to see your location, and more. We've rounded up actually useful Google Maps features as well as tips and tricks you might ...