Il 05-Mar-98, Dennis Merrill scrisse: > is the best way to go in water. The scroedinger wave equation can show > that any EM wave's propagation is a function of medium density and wave > frequency. Just and idea.. what about using DTMF underwater? yes, i know.. i'm mad :-) -- - *Alex* - http://freepage.logicom.it/azummo/