Alright, so it may not be quite as terrifying as something like Carnegie Mellon's robotic snake or NC State's remote-control bats, but this so-called Gymnobot from the University of Bath does boast some animal-mimicking abilities of its own and, if all goes as planned, it could eventually grow a whole lot bigger. Its secret is a single fin underneath its body that mimics the way a knifefish swims, which just so happens to also be an extremely efficient way for a robot to propel itself through
