Fin Ray
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Optimal Design and Analytical Modeling of a Soft Fin-Ray Effect Gripper Finger Using the Finite Rigid Elements Method
arXiv:2606.03798v1 Announce Type: new Abstract: Fin Ray-inspired soft grippers offer a promising solution for gently handling delicate, irregular objects, especially in agriculture. The objective of this research is to design, fabricate, and model a Fin Ray Effect (FRE) soft gripper finger to enable precise force control in future applications. This design aims to gently grasp delicate agricultural products, such as tomatoes, that require both adaptability and accurate force application.
Giving guitarfish a chance: one man’s mission to persuade fishers to farm giant snails instead
Marine biologist Issah Seidu has found a way for Ghana’s fishing communities to earn a living – and help protect the ancient and critically endangered fish speciesGuitarfish are an odd-looking and ancient species, with the tail of a shark and the flattened body of a ray, but their coveted fins have driven populations to the brink of extinction. In west Africa, where their meat is also a local delicacy, many guitarfish species are among the most critically endangered fish in the ocean....
Giving guitarfish a chance: one man’s mission to persuade fishers to farm giant snails instead
Marine biologist Issah Seidu has found a way for Ghana’s fishing communities to earn a living – and help protect the ancient and critically endangered fish speciesGuitarfish are an odd-looking and ancient species, with the tail of a shark and the flattened body of a ray, but their coveted fins have driven populations to the brink of extinction. In west Africa, where their meat is also a local delicacy, many guitarfish species are among the most critically endangered fish in the ocean....
Any-ttach: Quick End-effector Swapping Enables Manipulation Dexterity with Simplicity
arXiv:2605.30569v1 Announce Type: new Abstract: Robotic manipulation dexterity is often pursued by building increasingly complex high-DoF multifingered hands. While many robotic hands are designed to replicate human morphology, the functional role of human hands suggests a different perspective: much of their complexity may exist to enable tool use and tool making. This observation motivates Any-ttach, a tool-centric manipulation framework that treats quick end-effector swapping as a...
Egypt fossils show modern ocean fish rose rapidly after dinosaur extinction
Egypt fossils show modern ocean fish rose rapidly after dinosaur extinction Sadie Harley Scientific Editor Robert Egan Associate Editor The extinction that ended the Age of Dinosaurs is best known for clearing the way for the Age of Mammals on land. Scientists have long suspected that the same catastrophe also transformed life in the seas, opening ecological space for the rise of modern marine fish faunas. Yet the timing and geography of that transition have remained uncertain because of the...
China’s shark finning could lead to US seafood sanctions
For migrant workers trapped onboard Chinese distant water fishing fleets, cutting the fins off sharks as they writhe violently on rusted decks in the Indian Ocean isn’t accidental. It’s an intentional and lucrative act that marks the start of a bloody half-a-billion-dollar offshore supply chain, tacitly supported by Beijing yet covertly concealed from port inspectors globally. The Center for Biological Diversity, a nonprofit focused on the protection of endangered species, filed a formal...