This was recently shown at the recent conference... and the guy asking all the questions is from Essex too and an Automotive engineer... small world
http://www.youtube.com/watch?v=Wd4ek...layer_embedded
the blogs:
http://hydronica.blogspot.com/
http://magirus-deutz.blogspot.com/
Add me to any list of physists / engineers... I have a physics degree and an engineering MSc in Acoustics... I just wish all the interesting stuff hadn't been suppressed as I'm finding out now...