ECHO in UCSB A realization at UCSB would take advantage of the proximity of the sea. Unless ECHO receives a human input it finds itself in "environmental" mode, in which it is the space that determines its reaction. The sound of ocean waves is picked up by a microphone and propagated by ECHO periodically and with soothing regularity. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |