What has NASA done that has affected you? Well, do you like to hang glide? NASA developed the materials. Runs marathons? Own a home? NASA created the fabric that insulates and protects both runners and inhabitants. What else did they do? Well, there's a nifty site called WTF NASA that will tell you. You can decide, as you click through the links, whether the facts "Fail to Launch" or maybe "That Rockets!"