The first commercial passenger elevator, installed by Otis Elevator Company in 1857, climbed 40 feet a minute. The elevators that Mitsubishi Electric are installing in China’s 2,000-foot-tall Shanghai Tower travel 59 feet a second. When construction is complete in 2014, the elevators will whisk passengers straight from the basement-level entrance to the observation deck near the top of the tower, a 1,855-foot journey, in less than a minute. See how this elevator works here.
A tower within a Tower: extra cladding in the
By Laurie Goldman and Sander Goldman
Posted 05.06.2005 at 7:00 pm 0 Comments
Running up the center of the building is a fortresslike tower whose walls, made of two-to-three-foot-thick reinforced concrete and steel, will provide structural support for the building and fire protection for the infrastructure it contains: elevators, stairways and utilities such as the pipes that carry water to the sprinklers.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.