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 ...

He tried the DIY route for the two-way mirror, but decided to just order a glass one after some difficulty with bubbles and scratches. A smart mirror needs an interface, but unless you own stock ...

While it is rare, there are instances of people finding hidden cameras or two-way mirrors in their hotel rooms. Here's how to protect against hidden cameras and what to do if you find them ...