The man pressed his hand against the biological key-reader that locked the computer room. After touching his hand against the cold surface, the large metal door groaned and rumbled up into the ceiling. The man walked through the opening. His entrance triggered the lights in the room to come alive. In the back of the large, hollow room, he heard a machine power up, its electric board inhaling and sighing as the current pulsed through the metallic cavern.
What is one figurative device the writer uses to amplify the sense of advanced technology, and what is the effect of this device?
