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Length-Scalable Fish Robot ScaFi NYU
Most fish-inspired robots arrive locked to one length and one job. Scale them up for a lake or down for a creek and the whole machine usually has to be designed again from scratch. Engineers working between NYU Tandon and EPFL have shown a way around that limit with ScaFi, a compliant robot modeled on the tail-heavy swimming of fish such as cod and mackerel. Those species keep most of their body bend toward the rear, a style that works across a wide range of real animal sizes. ScaFi copies the same idea with a rigid motor-driven front and a flexible tail of fiberglass rods wrapped in red fabric. A single motor pulls two tendons that cross near the tail tip, forcing the familiar S-curve that pushes water backward.

Amphibious Cyborg Cockroaches Diving 3D-Printed Oxygen Suit
Engineers at Nanyang Technological University in Singapore, working with colleagues at Waseda University in Japan, have added a working underwater capability to remote-controlled cockroaches. The insects already carry small electronic packs that let operators steer them through rubble and tight spaces. A new 3D-printed attachment now supplies oxygen so the same insects can keep moving when those spaces fill with water.

China AI Collar Pet Bark Meow Pettichat
A startup in Hangzhou just released a lightweight collar that listens to dogs and cats and turns their sounds into short sentences on your phone. Named Pettichat, the device weighs only 27 grams and sits comfortably around a pet’s neck. It picks up vocalizations through built-in microphones while motion sensors track posture, movements, and other physical cues at the same time.

Fish Learns to Drive Robotic Tank
Carrot, a betta fish, has been promoted to tank captain thanks to a tinkerer who was determined not to let a fish become permanently locked in one location. Everything Is Hacked spent over a year developing a simple concept and gradually turning it into a reality. It all began with riffing on an old joke about a fish who gets to control the tank, and they set out to make the punchline a living, breathing entity. They were first playing with the concept of putting a simple fish bowl on a toy truck, but it felt too lazy. The major issue here was finding adequate space, as most fish want personal space to breathe, and cramming a full tank onto a small wheeled robot simply wasn’t going to cut it.

Insta360 Ace Pro 2 Camera Black Magic Island Barny Dillarstone
Photo credit: Barny Dillarstone
Barny Dillarstone is an adventurer who enjoys traveling to distant bodies of water and placing baited camera systems in places that most don’t even think of. He chose a location near Nusa Penida, a small Indonesian island nicknamed the “Black Magic Island” due to its murky legend and hazardous tides. Over the course of a few days, he was able to get his beloved Insta360 Ace Pro 2 down to about 170 metrers / 600 feet, where the water is so forceful that only the most desperate life can cling to the bottom.

Photographer Filmmaker Jake Davis Cameras Squirrel Food Bears
Photo credit: Jake Davis
Wildlife filmmaker Jake Davis placed ten high-end Sony cameras around a red squirrel’s food stash in Yellowstone’s high-elevation woodlands. This project had been years in the making, beginning with a simple desire to film grizzly bears and eventually turning into a deep curiosity with the intricate web of life that revolves around a single resource: whitebark pine cones.

Giant Phantom Jellyfish Argentina
During a recent expedition, Schmidt Ocean Institute researchers captured fantastic footage of a rare giant phantom jellyfish. But they had to put in the time: the remote-controlled vehicle, which was exploring the Colorado-Rawson submarine canyon off the coast of Argentina, didn’t detect the species until it was 830 feet down. Even so, it was only because the ROV illuminated its translucent bell as it slowly drifted down into the depths.