Researchers use a dart projector to fire the small satellite-linked transmitters into the animals to track where they go in the winter and how they find food.
Officers on the ground used a satellite-linked computer to monitor heat-seeking footage streamed from police helicopter cameras to check suspects fleeing from back doors.
It's easy to imagine tiny swarms satellite-linked sensors colonizing all kinds of other physical systems in our world, too, from high-rises to subway tunnels.
