Scientists unveil robotic fish that uses fuel like artificial blood

Mail Online | 6/19/2019 | James Pero For
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Robots can do all sorts of things that humans can: they can deliver packages, drive cars, make lattes, and now, rather disconcertingly, they can bleed.

In a paper published in Nature, researchers from Cornell University and the University of Pennsylvania explore the use of 'electrolytic vascular systems for energy-dense robots' which in this particular case means, a robotic fish that relies on a form of 'blood.'

Gizmodo - Specimen - Type - Circulatory - System

As reported by Gizmodo, the specimen uses a type of human-engineered circulatory system to pump a synthetic 'blood' -- an electrolyte solution used as hydraulic fuel -- to provide its propulsion and power.

The result is a robot that not only looks more life-like but actually mimics biological designs to its own benefit.

Researchers - Method - Fuel - Problems - Today

Researchers say the novel method of using a blood-like fuel helps solve one of the biggest problems with today's crop of robots, their power source, which is often bulky an inefficient.

'Energy-storage systems are among the most crucial limitations to robot autonomy,' writes the paper's author James Pikul in an introduction.

Size - Weight - Material - Design - Constraints

'But their size, weight, material and design constraints can be re-examined in the context of multifunctional, bio-inspired applications.'

Antiquated though it may be, the biological systems found in creatures like fish are far more efficient than anything used in our most high-tech robots. For instance, notes Gizmodo, a fish's gils discharge waste,...
(Excerpt) Read more at: Mail Online
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