News archiveThe Spark-o-phone3 May 2006Sparko10100 megohm high-voltage resistors, producing a regular spark dischargeLinksThe Spark-o-phone← Previous in News archiveAs seen on TVNext in News archive →Walkman 101PhotographsClose ×This photograph couldn’t be loaded. Try opening the original file below.← PreviousNext →Open original image ↗