Oniorb is an explorable musical object that was created with the idea of stress relief in mind. It is meant to act as a stress ball that also gives auditory feedback as you squeeze it. The orb is embedded with three different kinds of sensors that send output data to the program Pure Data, which outputs sound.
This project was the subject of my Bachelor's thesis, which I completed with the Opera of the Future group at the MIT Media Lab, with Tod Machover as my advisor. To learn more about the work that Tod and the rest of the Opera group does, check out their website here.