Earth Science
In order to make some applets work you will need to download Java. Clicking on the link below will bring up the following screen shots.
Screen 1
Click on Download to get the next screen.
Screen 2
Click on Run to get the next screen.
Screen 3
Click on Run to start the download process. After which you will probably need to either reboot, log off, or shutdown the computer in order for the changes to take affect.