The Navy’s New Robot Looks and Swims Just Like a Shark
The American military does a lot of work in the field of biomimicry, stealing designs from nature for use in new technology. After all, if you’re going to design a robot, where better to draw inspiration than from billions of years of evolution? The latest result of these efforts is the GhostSwimmer: The Navy’s underwater drone.
The new gizmo, at five feet long and nearly 100 pounds, is about the size of an albacore tuna but looks more like a shark, at least from a distance. It is part of an experiment to explore the possibilities of using biomimetic, unmanned, underwater vehicles, and the Navy recently announced it wrapped up testing of the design. This, according to a report in Wired.
The robot uses its tail for propulsion and control, like a real fish. It can operate in water as shallow as 10 inches or dive down to 300 feet.
It can be controlled remotely via a 500-foot tether, or swim independently, periodically returning to the surface to communicate. Complete with dorsal and pectoral fins, the robofish is stealthy too: It looks like a fish and moves like a fish, and, like other underwater vehicles, is difficult to spot even if you know to look for it.
Down the line, it could be used for intelligence, surveillance, and reconnaissance missions, when it’s not assigned to more mundane tasks like inspecting the hulls of friendly ships.
The GhostSwimmer joins the ranks of animal-based awesome/creepy robots like the “Cheetah” that can run at nearly 30 mph, the Stickybot that climbs like a gecko, and the cockroach-inspired iSprawl that can cover 7.5 feet per second.
And it may get a baby brother: The Department of Homeland Security has been funding development of a similar, smaller robot called the BIOSwimmer.