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 ...

Escalators are mesmerizing to watch – there’s something magical about the stairs unfolding at the bottom and folding up at the top. But they’re very hard to model. [Luke Towan] has done it ...

That means that if you don’t climb any stairs at the moment, going from zero to just 35 flights a week would be beneficial. Is climbing stairs alone enough to boost my longevity ...

It's actually dangerous to walk on an escalator that's out of service, because it's not as stable as a staircase. The chain and gears that hold the stairs in place can give way, leading to injuries.

For both ascending and descending escalators, large droplets from the maskless cougher immediately fell to the stairs. But on an ascending escalator, small droplets fell slightly, remained ...