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.

TikTok is full of people “discovering” spy mirrors in their hotel rooms and Airbnbs. Or, more often, they use a normal hotel mirror to demonstrate a trick that supposedly reveals such mirrors.

A two-way mirror, also called a one-way mirror, is a pane of glass that acts like a regular mirror on one side while allowing someone to see through from the other side. It’s commonly used in ...

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 ...

At Eastern Connecticut State University's new childhood development center, the use of observation rooms with one-way mirrors to study children's behavior has been replaced by voice- and ...

Divorce is rarely the result of a single, catastrophic event. More often, spouses gradually slip away from each other until they feel more alone in the relationship than they would outside of it. One ...