this post is way over my head, but am enjoying the non-participating observation.
dr ann, its great to have someone of your knowledge and passion on board. i am assuming from your article, knowledge and background that your doctrate is related to your current studies. the only reason i ask, is that i have this knee problem in cold weathers....
gene, you dont fail to bowl us over with your ingenuity. not sure what you'll come up with next, but will hide in case there are explosions.
well done jens, for starting and carrying this discussion. i still havent got a clue whats going on but its all fun!