It’s a familiar scene from every police procedural: In one brightly lit room, a perp is being questioned. In an adjacent room ...

A mirror usually feels like the simplest object in the room until you come across one in a hotel, restroom, or fitting area and feel a twinge of doubt. That reaction isn’t random. Some mirrors are ...

One classic set you’ll see in most vintage mystery movies is an interrogation room with a “two-way” mirror in one wall. This cool gadget lets the witnesses see the suspects from another room while the ...