06 - Echoes of the Past - Connections 2 (1994)

"Echoes of the Past" – The past in this case starts with the tea in Dutch-ruled India, examines the Japanese tea ceremony, Zen Buddhism, porcelain, the architecture of Florence, Delftware, Wedgwood, Free Masons, secret codes, radio-telephones, cosmic background radiation and—finally – radio astronomy, which listens to "Echoes of the Past".