Researchers at Tel Aviv University создали a robot capable of identifying ten distinct smells. The scientists say its sensitivity is 10,000 times higher than that of some specialised devices.
The authors described the development as a biohybrid platform.
The researchers equipped a four-wheeled robot with a set of пустынной саранчи, which they connected to an electronic system. It measures the signals produced by the antennas when odours are detected.
They then used a machine-learning algorithm to create an ‘olfactory library’.
As a result, the robot learned to identify eight ‘pure’ scents, including geranium, lemon and marzipan, as well as two ‘mixtures’.
The researchers now plan to train the device to follow an aromatic trail to its source.
In their view, in the future the device could eventually be used to detect narcotics and explosives.
Earlier, in July 2022, researchers from Rice University turned dead spiders into robots capable of grasping small objects. They can lift weights up to 130% of their own body weight.
In December 2021, scientists created ‘living’ robots capable of reproducing.
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