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.

You've finally reached your hotel room and just want to take a shower and change, but you can't shake off this eerie feeling; ...

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.

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

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 ...

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 ...

Beccy holds a PhD in Biological Science, a Master’s in Molecular Biology of Parasites and Disease Vectors, and a Bachelor’s in Human Biology and Forensic Science. Beccy holds a PhD in Biological ...

BERWYN, Ill. -- Police are investigating after a comedian discovered a two-way mirror in the women's bathroom of a Berwyn bar. The mirror at Cigars and Stripes was discovered by comedian Tamale Rocks, ...

Recently (5/21/25), I published a Design Idea (DI) describing a bidirectional current mirror using just two transistors and a diode, “A two-way mirror—current mirror that is.” That circuit works well ...