Jason Rhoades Pearoefoam Author:Achim Hochd rfer, Jan Avgikos, Jason Rhoades For use in his installations The Impetuous Process, My Special Purpose, and The Liver Pool, artist Jason Rhoades developed a material called PeaRoeFoam, made of light green dried peas, bright red salmon roe, and small white styrofoam balls. Witness what Rhoades calls the "clicha of inventing a media."