<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>The same issue of Geothermics that Jeff Cross cited as including an article about Rehai and vicinity, Yunnan, PRC, has another article (out of New Zealand) that deals with eruptions from artificial wells as related to eruptions by natural geysers. The abstract states that the well eruptions result from the:</DIV> <DIV> </DIV> <DIV>"... cyclic formation of Taylor bubbles from the devolved gas..."</DIV> <DIV> </DIV> <DIV>OK, cool. But what's a Taylor bubble?</DIV> <DIV> </DIV> <DIV>Scott Bryan</DIV></BODY></HTML>