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SoFi’s trajectory exploring a coral reef. The snapshots of the fish are equally spaced in time by 2.6 seconds per representation. | Katzschmann et al., Sci. Robot. 3, eaar3449 (2018)
Robotics

MIT’s Biomimetic Soft Robot Swims With the Fishes

The lifelike movements of the robot mean it can navigate aquatic environments without triggering any discernible alarm among marine life.

B-roll demonstrating remote-controlled navigation of the soft robotic fish in the Pacific Ocean. Six dives were conducted over the course of three days, exploring the Somosomo Strait in Taveuni, Fiji.

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Katzschmann et al., Sci. Robot. 3, eaar3449 (2018)
Parts of the soft robotic fish (SoFi) and remote control for diver use. Bottom (left to right): Subcomponents of the system are the elastomer tail (cut view), gear for pumping water (driving tail motion), buoyancy control unit (controlling diving depth), two “fins”, control electronics including receiver of acoustic signals (for navigation), and a fisheye camera. | Katzschmann et al., Sci. Robot. 3, eaar3449 (2018)