The Shuttle certainly demonstrated lots of important capabilities and applications. Unfortunately, it was too expensive to do any of them operationally. We will have to wait for fully reusable space transports for that.
University of Rhode Island design professor Karl Aspelund wants you to think about astronaut socks. In fact, he hopes his work with the 100 Year Starship Project—figuring out what kind of clothes space travelers will need for a long-duration mission—will change the way you dress, too.