Engineers build robotic fish that swim, dock and recharge themselves with no feeding required

Watching fish glide silently around a tank is one of the most relaxing hobbies a person can pick up, but keeping an actual aquarium alive comes with a long list of chores. Regular tank cleanings, ...
The Repository

Just keep swimming: New Ohio underwater webcam provides calming glimpse of hatchery trout

Enjoy watching fish swim along? If so, boy, does the Shores & Islands Ohio have a webcam for you. The tourism agency — which promotes the Cedar Point, Sandusky and Lake Erie Islands region — has ...
Science Daily

What's quieter than a fish? A school of them

Swimming in schools makes fish surprisingly stealthy underwater, with a group able to sound like a single fish. Engineers working with a high-tech simulation of schooling mackerel offer new insight ...
The Conversation

To swim like a tuna, robotic fish need to change how stiff their tails are in real time

Underwater vehicles haven’t changed much since the submarines of World War II. They’re rigid, fairly boxy and use propellers to move. And whether they are large manned vessels or small robots, most ...