This is going to come off troll like and I don't mean it that way but for God's sake.... do a search for fanless liquid cooling. Why would you want to knock someones project before you study the topic enough to not have the first two pages of answers from a search engine refute your absolute statement of "They Require Fans"
Check out this link
http://photonics.engr.uga.edu/watercooling/
written by a student who builds a fanless computer. Good basic engineering stuff by a talented guy with a very readably writing style. He does some work on a product he purchased that was supposed to be a fanless power supply *With a fan... That part by itself is worth reading.
Check out this off the shelf product
http://www.pcper.com/reviews/Cases-and-Cooling/Zalman-Reserator-2-Fanless-Water-Cooling-System-Review
or better yet *This is really nice
http://www.newegg.com/Product/Product.aspx?Item=N82E16835118111
Fans Suck... Or blow I guess, depending on which side of them you stand.