MIT Open course ware  is the right place for getting knowledge online.

 

http://ocw.mit.edu/OcwWeb/web/home/home/index.htm

 

There are many courses from all streams that could be of our potential interest.

I have interest in computer science and Alternative energy resources. And I found my world here. .. so don’t take time just go ahead and look for your horizon.

 

 

Amit