If you’ve ever watched a ghost hunting show, you’ve heard the terms “residual haunting” and “intelligent haunting.” Paranormal investigators love to separate hauntings into these neat categories: residual hauntings are like spooky recordings, endlessly replaying moments from the past, while intelligent hauntings involve spirits that interact with the living. But what if this split is too simple? What if residual energy can evolve, or intelligent entities can use those echoes to trick us? Thi...