CAMBRIDGE, Mass. — In the shadowed, hazardous aftermath of a catastrophic earthquake, every second counts. When concrete slabs fracture, structural supports buckle, and subterranean spaces collapse into perilous mazes, traditional rescue operations face immediate limitations. Large search-and-rescue drones, invaluable for open-air scouting, are fundamentally too bulky to squeeze through the narrow, debris-choked crevices where survivors […]

