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 ...

The two-way mirror in Harry Potter wasn't fully explained in the movies, creating confusion among viewers. The mirror functions as a communication tool and plays a significant role in Harry's ...

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.