22. Ghost Hunting Box [c.2007] The concept is simple. Point the box at a room, depress the button, and if a “ghost” is in the room, it will “appear” on the view screen. Even though there hasn’t been a single case of a ghostly image being captured by one of these devices (the infamous “White Blur” of 2009 having been discredited as a hoax), it doesn’t stop hopeful Muggles from using them almost constantly.