Seeing Dark Things: The Philosophy of Shadows

If a spinning disk casts a round shadow does this shadow also spin? When you experience the total blackness of a cave, are you seeing in the dark? Or are you merely failing to see anything (just like your blind companion)? Seeing Dark Things uses visual riddles to explore our ability to see things that do not reflect light. Shadows and holes are anomalies for the causal theory of perception, which states that anything we see must be a cause of what we see. This requirement neatly explains why yo…