Read the book,  A Canticle for Leibowitz by Walter M. Miller Jr.

What follows are the few sci-fi links that I use most frequently.

I hope that you find that of use.

The above book is my favorite sci-fi book.
Favorite sci-fi movie--probably Twelve Monkeys
Favorite sci-fi TV show-- anything Trek

Trek has revolutionized our culture.  It cannot be denied.
I believe it has been beneficial to our society.

Encyclopedia Galactica-- http://www.geocities.com/Area51/Dimension/1136/
By far the best Star Trek site out there--Vidiot's Star Trek Page-- a great source of fan info and Star Trek episode information-- http://www.vidiot.com/
Science Fiction Weekly-- http://www.scifi.com/sfw/
Microsoft Networks official Trek page-- http://startrek.msn.com (--Probably shut down by Paramount--3/23/05)
Good X-files site-- http://paul.rutgers.edu/~cwm/x-files.html
Are you a nitpicker?  There is still one great series to pick at.  Become a nitpicker if you are not already one-- http://www.nitcentral.com