A remote control strapped to oneofhiswristsoffersseveralmodes of action: "stand", "sit", "walk", "ascend 'and" descend "(the lasttwo being pertinent toclimbingand coming down staircases)."
From the late afternoon to early evening, an elevator outfitted with regen will generate power continuously as lightly loaded and often empty elevators ascendto pick up office workers and crowded elevators descend as workers stream out of the building.