This paper presents the design, implementation and experimental evaluation of a semi-humanoid robotic system for autonomous multi-floor navigation. This robot, a Personal Robot 2 named Charlie, is ...

The inoperative elevators are a symptom of larger problems the City-County Building has with its mechanical systems and ...

Accurate floor identification within multistory buildings is crucial for guiding pedestrians to their destinations in complex door environments like shopping centers, airports, and office buildings.

They say the devil’s in the details, but that’s not really true for the space elevator. The biggest hang ups in this concept are the most fundamental aspects of its design: the mass of the ...

Two leaders behind the Seattle Space Needle's massive redesign say it was a huge undertaking and one that was crucial to preserve the city's iconic landmark.