Thanks for pointing me to this page. Really fascinating. A number of ideas I'd never thought about. I'd always wondered if different people see individual colors differently, but never thought about the physics to realize that objects don't have color -- we interpret color. Wow.
You should put a sign up on this kinda stuff "Beware, some of the ideas below could blow your mind."
Thanks for sharing, Alison
P.S. I thought about editing the subject header, but there's something enjoyable about it. I'm leaving it as is.