Well, we shouldn’t be surprised. Scientists have created swimming robotic versions of the cow-nosed ray, the jellyfish, the sunfish, the tuna, and just the generic “fish,” so why not the sea turtle?

In early October we took a look at the naro - tartaruga, a biomimetic robot based on sea turtles being built by researchers at ETH Zurich (the Swiss Federal Institute of Technology). It's a research ...