Abstract: This paper presents a novel approach for realtime 3D navigation in large-scale complex environments by introducing a hierarchical 3D visibility graph (V-graph) and an efficient path search ...

Sliding Rock in Pisgah Forest is a 60-foot natural water slide that taps directly into that childhood sense of adventure, ...

UK prime minister Keir Starmer had earlier condemned the “reckless” Iranian attack, during a call with Kuwait’s crown prince.

President Donald Trump said U.S. forces will keep hitting Iran “very hard” in the next two or three weeks and bring the ...