Scientists unveil robotic fish that uses fuel like artificial blood

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.' 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. Using a'blood' as fuel, researchers say a robotic fish could is able to swim for 36 hours straight Researchers are employing the use of a'blood' like substance to power a robotic fish. The solution is infused with electrolytes to power the bot and is also used to hydraulicly propel it through the water.