Researchers have developed a light-weight sensor system that can be carried by small insects like a moth to destinations that are dangerous or too small for humans to reach. These sensors can be used to map out conditions like temperature and humidity in these regions.“This is the first time anyone has shown that sensors can be released from tiny drones or insects such as moths, which can traverse through narrow spaces better than any drone and sustain much longer flights,” said Shyam Gollakota, an associate professor in University of Washington.Researchers from the University have created the sensor system weighing only 98 milligram, about one tenth the weight of a jellybean, that can ride aboard an insect like moth or a small drone to reach its destination. Once it reaches the destination, researchers can send a Bluetooth command to drop the sensor from its perch. The sensor is held on the insect using a magnetic pin surrounded by a thin coil of wire. As soon as a researcher sends a wireless command to release the sensor, it creates a current through the coil that makes the magnetic pin to pop out the sensor.The sensor can fall from a maximum height of… Read full this story
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