Unsettled Opportunities
Have you ever held up a deck of playing cards and asked a friend to identify the cards as you quickly held them up one at a time? Doesn’t seem that hard, does it? Try it, not with a regular deck, but a doctored deck, where the normally red hearts are black, and the black diamonds are red. Every time I try it, I tell myself that I know the deck is doctored – of course I can correctly identify what I see! And every time I try it, I am humbled, because no matter what I tell myself, my brain sees the hearts as red, and the diamonds as black. (more…)