The Cat and the Cave: Plato's Cave versus Schroedinger's Cat.
Plato's Cave is a famous philosophical construct wherein hypothetical prisoners are tied down facing one wall of a cave so they can't move their heads and look around. Behind them is a fire providing light for the cave, and between the fire and the prisoners are puppeteers moving back and forth holding various objects that cast shadows on the wall for the prisoners to observe. It's a hideously contrived scenario, but Plato used it to demonstrate the difficulty of expressing concepts through language when we don't have a concrete experience with those concepts. A prisoner might say "I see a book" based on a projection, but there's no book on the wall only shadow. It's only when they're released and can look around that they can see the real objects casting shadows. True understanding, Plato argues, isn't possible until then. What I find curious is how many Christians love to inject Jesus into Plato's Cave. Plato wrote passionately about mi...