(Alas too, some of the tricks here don't work--with my bad macula in one eye--but at least its peripheral sensors and the handy motion-detect nexus ..work.)

Loved the phantom-red spot, brighter than the surrounding white!. We're all Alice (not the restaurant gal) and this is Wonderland. And it's still ..a Play, in imagination, like Leibniz claimed.
If our 'design' were premeditated .?. it would have been by a Sadist, no?