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; ...

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 ...

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