Mental Floss on MSN

How Do Two-Way Mirrors Work?

It’s a familiar scene from every police procedural: In one brightly lit room, a perp is being questioned. In an adjacent room ...
When you look into a mirror, it’s just you and your reflection. No one you’re trying to hide from, no one you’re trying to impress. It’s just you. And while that might mean taking a good look at your ...