From:  Prometheus <Prometheus@127.0.0.1>
Date:  25 Apr 2006 02:38:09 Hong Kong Time
Newsgroup:  news.alt119.net/rec.scuba
Subject:  

Re: You use different lenses underwater because the speed of light is different
NNTP-Posting-Host:  newbrain.demon.co.uk 
In article <7j%2g.2327$Y6.1981@newsfe3-win.ntli.net>, Dennis Pogson 
 writes
>At last someone has mentioned the word "refraction". We learned it at 
>school, 65 years ago! What DO they teach kids nowadays?

It would seem 'not much', then again perhaps the problem is that the 
uneducated have gained access free and wide-reaching self publicity.
-- 
Ian             G8ILZ