On Nov 22, 7:50 am, Bob Martin wrote:

I thought it was a very enjoyable, informative programme.

Here is some more of that contemporary stuff. Very clever but based on
wrong presuppositions:
http://www.juliantrubin.com/encyclop...s/volcano.html
http://en.wikipedia.org/wiki/Types_o...ns#Pel.C3.A9an

. which was ruined by constant, frantic drumming. Why do they do this?

A BBsegue to Bernard Chouet?
http://news.bbc.co.uk/1/hi/sci/tech/3183047.stm