In article <email@example.com>, firstname.lastname@example.org (C. Kenneth Fan) writes: > > John Conway pointed out that without the canvas, the curve is not a conic > section. However, on this, I'm not sure exactly what is really going on. > I agree that the image on the eyeball is not a conic section, but it's not > clear to me that the actual perception is a conic section, because the brain > may be structured to compensate for this. Can someone enlighten me? >
Now, I'm thinking that's ridiculous...the brain can't compensate for this.