biomimicry   1581

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Mechanoresponsive self-growing hydrogels inspired by muscle training | Science
mechanical hydrogel polymer muscles that get stronger with training/use, like real muscles
biomimicry  polymer  hydrogel  artificial  muscle  actuator 
10 days ago by asteroza
Anti-fatigue-fracture hydrogels | Science Advances
A pill that expands into a ball in stomach acid is a hydrogel, which can support stomach based health sensors which need to be oral pills, but expand to lodge in the stomach.
hydrogel  biomimicry  materials  science  research  technology  expandable  bubble 
10 days ago by asteroza
Biomimetics | Free Full-Text | Biomechanics in Soft Mechanical Sensing: From Natural Case Studies to the Artificial World
Living beings use mechanical interaction with the environment to gather essential cues for implementing necessary movements and actions. This process is mediated by biomechanics, primarily of the sensory structures, meaning that, at first, mechanical stimuli are morphologically computed. In the present paper, we select and review cases of specialized sensory organs for mechanical sensing—from both the animal and plant kingdoms—that distribute their intelligence in both structure and materials. A focus is set on biomechanical aspects, such as morphology and material characteristics of the selected sensory organs, and on how their sensing function is affected by them in natural environments. In this route, examples of artificial sensors that implement these principles are provided, and/or ways in which they can be translated artificially are suggested. Following a biomimetic approach, our aim is to make a step towards creating a toolbox with general tailoring principles, based on mechanical aspects tuned repeatedly in nature, such as orientation, shape, distribution, materials, and micromechanics. These should be used for a future methodical design of novel soft sensing systems for soft robotics. View Full-Text
biomimicry  sensors 
5 weeks ago by hschilling
A neural data structure for novelty detection | PNAS
Novelty detection is a fundamental biological problem that organisms must solve to determine whether a given stimulus departs from those previously experienced. In computer science, this problem is solved efficiently using a data structure called a Bloom filter. We found that the fruit fly olfactory circuit evolved a variant of a Bloom filter to assess the novelty of odors. Compared with a traditional Bloom filter, the fly adjusts novelty responses based on two additional features: the similarity of an odor to previously experienced odors and the time elapsed since the odor was last experienced.
compsci  neuroscience  biomimicry 
7 weeks ago by madamim

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