Engineers in the United States recently announced the invention of a hydrogen-powered robot that moves in the water as do the robot is called Robojelly medusas.El and although still in beta, its designers hope it can be used in operations rescue.
According to Yonas Tadesse, lead author of the study, so simply swimming with jellyfish make them an ideal model in the design of such vehicles. Being driven hydrogen-powered systems, in theory the robot should not run out of fuel.
"For all we know, is the first time an underwater robot uses hydrogen as an energy source," said Tadesse.
Jellyfish move using circular muscles attached to that kind of shell gelatinous umbrella-shaped bell with.
When these muscles contract, expelling the water shell, allowing you to move. When these are relaxed, the jellyfish returns to its initial state.
To mimic this, the vehicle will use what is known as "thermal memory effect", a property of materials called "smart", you are able to remember its original shape.
These cover materials carbon nanotubes, a kind of pure carbon rods with electrical properties, coated in turn with a platinum black.
The robot will be promoted by the heat induced from a chemical reaction between oxygen and hydrogen present in the water along with the platinum surface.
The heat of this reaction are transferred to the artificial muscles of robot, which will change its shape. This means that the Robojelly can refuel their environment and not have to resort to external power sources or batteries.
The team recognized Virginia Tech research center expects this to avoid running out of fuel. Currently, the jellyfish robot can bend the eight segments that make up its shell at the same time, but the team plans to control each segment individually.
Thus, the robot could be controlled more and could allow move in different directions.
The project has been funded by the Office of Naval Research United States and the idea is that benefits the body of marines and naval fleet in the country.