MIT's new robot fish is eerily realistic

I just love how they used a SNES controller as the, well - controller.

Dupe - being discussed at https://news.ycombinator.com/item?id=16644860

I bet it's still very loud, which is why we don't get to hear it in operation. This, along with the ugliness of motor-based motion and electromagnetic profiles is why these artificial fish aren't very convincing to anyone, be it aquatic life or humans.