I have long been a fan of Google Earth, its a brilliant tool that has a number of uses in the classroom.
For those of use who have had a play with this tool you will have encountered the Layers tab. This tab allows the user to overlay a variety of layers on the base map. [...]
One of the topics I am covering with my ITGS students is GPS or global positioning system. We are looking at how these tools link into business and employment and some of the issues that may be associated with these. Particularly:
privacy
accuracy
reliability
accessability
Some of the resources we are using are:
wikipedia - http://en.wikipedia.org/wiki/GPS
howstuffworks - http://electronics.howstuffworks.com/gps.htm - includes a [...]
