Researchers from the Institute of Industrial Science at the University of Tokyo have developed an odor sensor that uses living cells to detect certain odorous substances. The team demonstrated their project by embedding the sensor in a robot after which the robot wrenched its head when detecting an odor. This technology could be used in the medical line, and if embedded in a nursing robot, it’ll be able to identify certain mouth odors or body odors, not to mention that it can also be used to detect CO2, air pollution, water pollution, and also food. This feat was achieved by taking tactile cells of insects to begin the process of creating the sensor. It might seem a tad creepy to see living cells used inside robots, but it’s certainly useful.
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