<HTML><HEAD> <META charset=US-ASCII http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2800.1498" name=GENERATOR></HEAD> <BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff"> <DIV>Thanks to the _many_ people who responded about Taylor bubbles. So I see how an eruption can take place in a simple tube. But can a sustained (that is, duration of minutes) occur without a chamber of some sort? I cannot see how.</DIV> <DIV> </DIV> <DIV>Thanks again.</DIV> <DIV> </DIV> <DIV>Scott Bryan</DIV></BODY></HTML>