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Tech Saves Tourist from Underground Trap | Calgary News
A tourist got stuck in a vertical, tight cave passage near Canmore, sparking a dramatic rescue that tested the limits of human endurance and tech innovation. Rescuers drilled through rock, coordinating via a brand-new underground radio system called QDX-M — the first real-world test of its kind — which sends text messages through solid stone where phones fail. After nine grueling hours, the tourist was freed without hospitalization, praising the team’s professionalism. This breakthrough tech, developed by volunteers since 2023, is now being shared globally to revolutionize future cave…
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