The elevators have an "exchanger", which can switch from vertical to horizontal to allow for sideways movement. The company plans to roll out the MULTI in high-rise buildings, but they also see a ...

An escalator is essentially a continuously moving ... and another guides the two back wheels. By controlling the vertical distance between the tracks, the steps can be made to lie flat or stand ...

An escalator can never break: it can only become stairs ... You judge buildings by their vertical transportation choices. Your friends don’t understand why you need photos of malls. You’ve developed ...

When fans walk around Caesars Superdome, they may be dazzled by its grandeur and modernity. But it was no small task getting ...