As part of the Issue Project Room first annual Sound-Walk-A-Thon, ML took a group out on the Gowanus canal, and also got to test out our crudrophone – a submerged color-sensor chip which runs color (RGB) data values through an arduino synthesizer device (thanks auduino/tinker.it!) to create a spontaneous soundtrack for the Gowanus canal. The soundtrack was enhanced by a generous and gregarious group of passengers. Thanks also to Lissi Erwin, who took photographs: