How Elevators Work
Submitted: Apr 23, 2008 - In action movies, elevators regularly plummet to the basement, where they explode into spectacular balls of fire. Is this possible? Find out what keeps elevators riding smoothly.
In the 1800s, new iron and steel production processes revolutionized the world of construction. With sturdy metal beams as their building blocks, architects and engineers could erect monumental skyscrapers hundreds of…

