check my post there
thats my guide
and u can also visit howstuffworks.com for more
i also have additional information i think but its at a different link
u may use it in the presentation but dun forget to put it in ur bibliography
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Oobertech.net - Keeping Knowledge Free
what do u want to be spoonfed ?
goto this site www.google.com and search for it urself
i gave u 2 very useful resources
no ones gonna create the presentation for u
__________________
No Mercy, No Limits.
Oobertech.net - Keeping Knowledge Free