At 07:31 PM 12/16/2005, you wrote:
Great! I think it's because after a while you exhaust your photo-receptors.
it's interesting that if you follow the blank around, you DON'T see green. It also has nothing to do with staring at middle, if you cover up most of the screen, just the process of taking the pink away temporarily makes the green appear. I'd bet, it has something LARGELY to do with the grey background as well as the temporary removal of pink. p