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 ...

Engineers create 3D-printed robotic fish that swim, play and recharge themselves through automated charging systems. Here's all you need to know

Engineers have developed robotic fish that mimic real aquatic life, offering an aquarium experience without the upkeep. These miniature submarines, powered by Arduino and guided by an overhead camera ...
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[Kato RC #25] A Nerf Tank That Leaves Bruises — The Story of a Man Who DIYed with an RP2040

It leaves bruises through a sweatshirt. There is a man who built a Nerf gun with that kind of power. In February 2026, a project featured on Hackaday quietly became a topic of conversation. It was an ...
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Ukraine is putting weapons stations on ground robots to make 'small tanks' that hunt Russia's infiltration teams

Ukraine's Frontline Robotics makes a remote weapons station that used to be stationary but can now be put on a robot to make a "small tank." ...