A child looks at a bicycle and sees an ice cream truck. Not because they don't know what a bicycle is. They know perfectly well. But knowing what something is has never stopped a child from seeing what else it could be. The bicycle is a bicycle — and it is also, simultaneously, completely and without contradiction, an ice cream truck. A spaceship. A horse. A time machine. This is not confusion. It is one of the most sophisticated things a human mind can do. Researchers who st
