![]() ![]() Small jellyfish tattoos are also very popular and because of the shape and way the jellyfish moves it can be a versitile design made to fit any area of the body and flow with it. Jellyfish tattoos often are done in a large scale area on the body, making it clearer to see their complex anatomy and beaty in their details. They are one of the most seemingly alien creatures to us humans, a jellyfish has no heart, no eyes, no bones, and not even a brain making them so hard to relate to yet many find characteristics and traits of jellyfish that they can relate to and use this relation as symbolism in jellyfish tattoos. The researchers are now working on making their design wireless.Jellyfish have been around a very long time, they were swimming in the ocean even before dinosaurs were here. For instance, we took two robots and let them pick up a mask, which is very difficult for a single robot alone,” co-author Hyeong-Joon Joo says.Īt present the robot’s design is wired, meaning power is supplied to the robot jellyfish by a thin cable. We also looked into how we can operate a collective of several robots. “We achieved grasping objects by making four of the arms function as a propeller, and the other two as a gripper. ![]() Jellyfish-bot collecting small pieces of plastic / Credit: Max Planck Institute for Intelligent SystemsĪs the ‘muscles’ contract and expand, the robot swims gracefully and creates swirls underneath its body, moving and trapping objects. But the researchers say, even if the insulating material was torn, the low power input would remain safe for humans and sea creatures. These are surrounded by materials designed to stablise and waterproof the robot so the electricity doesn’t come into contact with surrounding water. The jellyfish robot’s ‘tentacles’ use electrohydraulic actuators which work like artificial muscles powered by electricity. Virginia Tech researchers created an ‘Octa-glove’ to help humans pick up slippery objects underwater. ![]() Harvard University researchers created ‘Bluebots’, small fish-inspired robots that can both swim independently and synchronise their movements to imitate schooling behaviour. Researchers from Zhejiang University in China created a robot based on a deep-sea snailfish to navigate the bottom of the Mariana Trench. Underwater robots often take their inspiration from sea creatures. It can then transport the litter to the surface, where it can later be recycled,” says Tianlu Wang, lead author of the paper published in Science Advances. This function is useful in collecting objects such as waste particles. Our robot, too, circulates the water around it. “When a jellyfish swims upwards, it can trap objects along its path as it creates currents around its body. The research was done at the Max Planck Institute in Germany. It’s quiet, energy efficient and designed to collect waste from the seabed and bring it to the surface. The jellyfish-bot is about the size of a human hand. Jellyfish-like tentacles lets robot grasp soft objects without crushing them
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