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and even a safe behind a two-way mirror. But two-way mirrors aren't just about security. They also offer an aesthetic: You can put a TV behind one so that the TV is hidden when it's not turned on.

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 ...