but_as_soon_as ... you see a photon, it dies, as its contact with the retina expends the energy that made it exist. 070318 ... mp21k http://www.abc.net.au/science/news/stories/2007/1872353.htm?tech 070318 ... . i don't want to be though :-( i don't like it at all. whats happening? 070319 what's it to you? who go blather from