Friday, October 3, 2008
I snapped this photo of a typical motor that powers the elevator systems many of us ride every day:
In spite of it's humble, "smaller than you'd think" size, this highly-engineered motor and it's high-tech parts (shown above in the crushed cardboard box marked "elevator") make modern elevators extremely safe. "mostly..."
Learn more about elevators at HowStuffWorks.com.