We're absolutely loving what all the cool kids are doing with Arduino hardware -- the robots, the instruments, the fashion -- but when it comes to getting stuff done, well, let's just say we're not giving up our smartphones yet. A new project from Skewworks could change that, an Ardiuno-based operating system called Pyxis. It provides a UI for launching applications, easy access to microSD storage, and graphics routines that make creation of apps a