This Underwater Robot May Soon Replace Divers In Dangerous Operations

Tethys Robotics, a company stemming from ETH Zurich, has developed an autonomous underwater robot called Tethys to address the risks faced by divers during challenging underwater searches. This innovative robot is designed to operate in hazardous environments such as turbid channels and rivers, where conventional search and rescue techniques are impractical or unsafe.

The robot weighs 30 kg and can reach speeds of up to 2 meters per second. It is equipped with advanced features, including acoustic sensors, cameras, and AI-based algorithms, enabling it to autonomously explore large underwater areas and efficiently locate objects or individuals. This eliminates the need for divers and rescue teams to expose themselves to dangerous situations.

The robot has a remarkable fiber optics cable reach of up to 10 km (6.2 miles) and can operate continuously for four hours on a single charge, thanks to its swappable lithium battery. Its capabilities extend beyond exploration – the Tethys robot can retrieve and carry objects weighing up to 40 kg to the surface. When the robot identifies its target, an operator takes over the navigation to guide the robot diver precisely. This allows emergency services to focus on crucial tasks and ensures the search and rescue operation is conducted efficiently and safely.

Local authorities have already recognized the value of the Tethys robot and have successfully employed it in underwater search and rescue operations. With its exceptional capabilities, Tethys Robotics is transforming underwater exploration, providing a safer and more effective solution for challenging underwater scenarios.

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