How to be able to see and hear exciting things on your browser - very simplified instructions for installing and setting up common plugins.
These notes are intended for the average Pentium user who is new to such things. Macintosh users should find more specific help on everything they need at Apple Get Info pages
These programmes are all fairly easy to install - usually you just double click on the file name.
Example: to set up Realaudio:
find from the list:
check the launch application box
press the browse button
find where you put the programme (Raplayer.exe)
The same thing happens when you open any other link which needs one of the plugin programmes above. So far they cover most of the audio visual stuff that you will find on the earth and planetary science sites today.
These pages will be updated to keep track of technical developments.