This hand-sized robot moves using electrohydraulic actuators that act as artificial muscles.
Engineers have been inspired by the unique movement of worms, snakes, and jellyfish to develop a new generation of soft underwaterNow, roboticists have created a new robot that can swim like a jellyfish and collect waste from the ocean floor.
The Max Planck Institute for Intelligent Systems is leading this innovation to clean the world's oceans without harming marine animals and delicate coral reefs.This jellyfish-inspired robot quietly does its job without creating unnecessary noise that could disturb sensitive marine creatures relying on sound to communicate.. "We achieved grasping objects by making four arms function as a propeller, and the other two as a gripper.
The currently used underwater robots are typically bulky, noisy, and harmful to the environment; however, this prototype overcomes these challenges and can easily pick up small waste. This energy-efficient robot can also retrieve delicate samples such as fish eggs or objects like a face mask from the ocean floor. Furthermore, two robots can collaborate to pick up more heavy waste."When a jellyfish swims upwards, it can trap objects along its path and create currents around its body.
Following the creation of this prototype, the team is working to address some limitations, notably the transition from wire to battery or a wireless unit. They will also improve the robot's movement capabilities.In the future, a fleet of these underwater robots could help remove waste from deep below, as plastics take hundreds of years to degrade, allowing our oceans and their habitats to breathe again.
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