The Slinky now can cascade down stairs as long as your arm holds out. Join us after the break for 3 videos, the making of the escalator, a 140 step demonstration video, and a followup video (for ...

Plus, a broken elevator is useless, while a broken escalator is — for most failures — just stairs. The story of the escalator begins in the mid-19th century. In 1859, Nathan Ames, a patent ...