If a tree falls in a forest, and no one is around to hear it, does it make a sound? George Berkeley would say that if a tree falls in a forest, and no one perceives the tree, then the tree didn’t even exist in the first place. Berkeley is often known as the father…

In philosophy, zombies are beings that are exactly like human beings in every single way except one. A philosophical zombie might talk about how great the coffee is, they might drive to work and answer the phone, they might go home and walk the dog. However, philosophical zombies lack one thing: consciousness. If it is…