Researchers unveiled a new tactile navigation system that equips miniature drones with bio‑inspired whisker sensors, allowing them to operate in complete darkness without relying on vision. The whiskers, modeled after the sensory hairs of nocturnal mammals, detect subtle changes in airflow and surface contact, translating them into real‑time positional data. In field tests, drones equipped with the technology successfully traversed cluttered indoor spaces and underground tunnels, maintaining stable flight paths where conventional optical sensors failed.
The breakthrough promises significant advances for search‑and‑rescue missions, infrastructure inspections, and environmental monitoring in low‑light or smoke‑filled conditions. By reducing dependence on cameras and LiDAR, the whisker‑based system also cuts power consumption and hardware complexity, potentially extending flight times and lowering production costs for commercial drone platforms.
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