[L’instant tech] How the CNRS developed BathyBot, its seabed robot

A yellow robot with black wheels and what looks like two asymmetrical eyes observes the seabed more than 2,400 meters deep off La Seyne-sur-Mer (Var). Called BathyBot, the machine was developed by the German ISeaMC in response to a call for tenders launched by the CNRS. Few companies offer robots that can last almost ten years on the ocean floor, with scheduled maintenance only every two years. A real feat. Most of the robots sent to the seabed are brought up every 24 to 72 hours so that a “regular maintenance of equipment” is carried out, emphasizes Carl Gojak, engineer at the CNRS. BathyBot was launched in February 2022, but only connected since April 2023. The fault of the cable ship responsible for pulling the cable between the scientific junction box, connected to the automaton, and the mainland where the data.

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