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Unlocking the secrets of natural materials
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Unlocking the secrets of natural materials
Growing up in Milan, Benedetto Marelli liked figuring out how things worked. He repaired broken devices simply to have the opportunity to take them apart and put them together again. Also, from a young age, he had a strong desire to make a positive impact on the world. Enrolling at the Polytechnic University of Milan, he chose to study engineering.
“Engineering seemed like the right fit to fulfill my passions at the intersection of discovering how the world works, together with understanding the rules of nature and harnessing this knowledge to create something new that could positively impact our society,” says Marelli, MIT’s Paul M. Cook Career Development Associate Professor of Civil and Environmental Engineering.
Marelli decided to focus on biomedical engineering, which at the time was the closest thing available to biological engineering. “I liked the idea of pursuing studies that provided me a background to engineer life,” in order to improve human health and agriculture, he says.
Marelli went on to earn a PhD in materials science and engineering at McGill University and then worked in Tufts University’s biomaterials Silklab as a postdoc. After his postdoc, Marelli was drawn to MIT’s Department of Civil and Environmental in large part because of the work of Markus Buehler, MIT’s McAfee Professor of Engineering, who studies how to design new materials by understanding the architecture of natural ones.
“This resonated with my training and idea of using nature’s building blocks to build a more sustainable society,” Marelli says. “It was a big leap forward for me to go from biomedical engineering to civil and environmental engineering. It meant completely changing my community, understanding what I could teach and how to mentor students in a new engineering branch. As Markus is working with silk to study how to engineer better materials, this made me see a clear connection with what I was doing and what I could be doing. I consider him one of my mentors here at MIT and was fortunate to end up collaborating with him.”
Marelli’s research is aimed at mitigating several pressing global problems, he says.
“Boosting food production to provide food security to an ever-increasing population, soil restoration, decreasing the environmental impact of fertilizers, and addressing stressors coming from climate change are societal challenges that need the development of rapidly scalable and deployable technologies,” he says.
Marelli and his fellow researchers have developed coatings derived from natural silk that extend the shelf life of food, deliver biofertilizers to seeds planted in salty, unproductive soils, and allow seeds to establish healthier plants and increase crop yield in drought-stricken lands. The technologies have performed well in field tests being conducted in Morocco in collaboration with the Mohammed VI Polytechnic University in Ben Guerir, according to Marelli, and offer much potential.
“I believe that with this technology, together with the common efforts shared by the MIT PIs participating in the Climate Grand Challenge on Revolutionizing Agriculture, we have a real opportunity to positively impact planetary health and find new solutions that work in both rural settings and highly modernized agricultural fields,” says Marelli, who recently earned tenure.
As a researcher and entrepreneur with about 20 patents to his name and awards including a National Science Foundation CAREER award, the Presidential Early Career Award for Scientists and Engineers award, and the Ole Madsen Mentoring Award, Marelli says that in general his insights into structural proteins — and how to use that understanding to manufacture advanced materials at multiple scales — are among his proudest achievements.
More specifically, Marelli cites one of his breakthroughs involving a strawberry. Having dipped the berry in an odorless, tasteless edible silk suspension as part of a cooking contest held in his postdoctoral lab, he accidentally left it on his bench, only to find a week or so later that it had been well-preserved.
“The coating of the strawberry to increase its shelf life is difficult to beat when it comes to inspiring people that natural polymers can serve as technical materials that can positively impact our society” by lessening food waste and the need for energy-intensive refrigerated shipping, Marelli says.
When Marelli won the BioInnovation Institute and Science Prize for Innovation in 2022, he told the journal Science that he thinks students should be encouraged to choose an entrepreneurial path. He acknowledged the steepness of the learning curve of being an entrepreneur but also pointed out how the impact of research can be exponentially increased.
He expanded on this idea more recently.
“I believe an increasing number of academics and graduate students should try to get their hands ‘dirty’ with entrepreneurial efforts. We live in a time where academics are called to have a tangible impact on our society, and translating what we study in our labs is clearly a good way to employ our students and enhance the global effort to develop new technology that can make our society more sustainable and equitable,” Marelli says.
Referring to a spinoff company, Mori, that grew out of the coated strawberry discovery and that develops silk-based products to preserve a wide range of perishable foods, Marelli says he finds it very satisfying to know that Mori has a product on the market that came out of his research efforts — and that 80 people are working to translate the discovery from “lab to fork.”
“Knowing that the technology can move the needle in crises such as food waste and food-related environmental impact is the highest reward of all,” he says.
Marelli says he tells students who are seeking solutions to extremely complicated problems to come up with one solution, “however crazy it might be,” and then do an extensive literature review to see what other researchers have done and whether “there is any hint that points toward developing their solution.”
“Once we understand the feasibility, I typically work with them to simplify it as much as we can, and then to break down the problem in small parts that are addressable in series and/or in parallel,” Marelli says.
That process of discovery is ongoing. Asked which of his technologies will have the greatest impact on the world, Marelli says, “I’d like to think it’s the ones that still need to be discovered.”
#2022#advanced materials#agriculture#architecture#background#Bioinspiration#Biological engineering#Building#career#career development#challenge#Civil and environmental engineering#climate#climate change#coatings#Collaboration#Community#cooking#Design#development#devices#energy#Engineer#engineering#engineers#Environmental#environmental impact#Faculty#Food#food production
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Bioinspiration in Ocean Conservation: Learning from Nature's Solutions
Nature has been honing its strategies for millions of years, adapting to the challenges of the natural world. In the realm of ocean conservation, scientists and researchers are increasingly turning to nature for inspiration, seeking innovative solutions derived from marine organisms and ecosystems. This approach, known as bioinspiration or biomimicry, holds tremendous potential for addressing the…
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#aquaculture#biodegradable#bioinspiration#biomimicry#coral reef restoration#marine ecosystems#marine life#marine wildlife#ocean#ocean ecosystems#ocean farming#tidal energy
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• BIOINSPIRATION / BIOMIMÉTISME
Exposition "Mimèsis. Un design du vivant" - Centre Pompidou Metz (2022-23)
Exposition "La fabrique du vivant" - Centre Pompidou Paris (2019)
Ceebios - Centre d'études et d'expertises en biomimétisme
article sur Le Monde.fr : Le biomimétisme, ou comment s'inspirer de la nature plutôt que la détruire (2016)
Bioinspire-Muséum
5 technologies françaises innovantes inspirées par le biomimétisme (article, 2022)
Bold Threads (matériaux inspirés par la nature)
Biobased Creations (studio de création spécialisé dans les installations, les projets et la narration sur la transition vers un monde régénérateur et circulaire)
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biographys.
I. [ 𝒮acrilegi̲o̲s̲ ] — 𝒟i𝐚b𝑜𝓁icusㅤׄℳortem𝇃𝇂
❛ㅤp𝑔.‹ 𝐈nfame ’Яojā ›ㅤℳemoria d𝑒١⥐ㅤuna luna p͟e͟c͟a͟d͟o͟ra (ㅤ @Bvymoon'𝓈ㅤ) ᥱᥒvueᥣta ▭ en llαmαʂ, PRO—CURÂ 𝆜 𝒮ilenci̲o̲sㅤ▔ 𝘥𝑒 aℊoni͟caㅤ𝑜bse.sióᥒ.
𝐗͟V 𝒮𝘶𝘱𝘭𝘪𝘤𝑎'𝑠 𝐈𝐈. Brūthal. 𝐄p: 𝓘𝐈: 𝟎𝟑 𝙼𝚞𝚗𝚍𝚊𝚗𝑜’𝓈
II. ﹙𝘗𝘳𝘦﹚𝘭𝘶𝘥𝘪𝘰𝘴ㅤ៹ㅤd𝑒⠀𝑺𝘢𝘯𝘨𝘳𝘦ㅤ
⠀ ℳientras⠀⠀DOBLEGÓ⠀ ⠀mí⠀⠀—⠀ 𝓐lma @/usser ⠀⠀𝓃.⠀E͟𝗇⠀LLENO⠀desasosiego Confund𝑒⠀ mí⠀ testa⠀﹙ ⠀@/USSER ´𝓼⠀﹚
III. 𝒱𝖾𝗌𝗍𝗂𝗀𝗂𝗈𝗌 ˒ 𝖽𝖾 𝗎𝗇 𝑎𝑚𝗈̂𝗋
苦 ⠀ 𝔰𝖺𝗇—𝗀𝗋𝖾 ͟ ͟ ͟ ˌ ⠀` ⠀ 𝖽𝖾𝗋𝗋𝖺̂𝗆𝖺𝖽𝖺
⠀⠀▍║ ❘❘❘❘❙⠀:⠀ ◖⠀𝐒u ⎯⎯sur͟r͟os ⠀曇 ⠀⌥ ⠀𝑫𝖾𝗌𝖺 ‛⠀𝒻𝗂𝖺𝗇𝗍𝖾𝗌⠀ ⑇⠀⠀ 𝕺̀s͟c͟u͟r͟i͟d͟âd ⁹ « @/usser »⠀ ⠀⠀ ⠀ ▎@/usser `𝓈
⠀⠀ IV.
𝓐͟𝗍𝗋𝖺𝗏𝖾samos﹙ ruinas ﹚ 𝒸on pies f𝗂𝗋𝗆𝖾𝗌 y 𝑑𝑒𝑐𝗂𝖽𝗂𝖽𝗈𝗌, 𝖻𝖺𝗃𝗈 ūn c𝑖𝑒𝑙𝑜 𝖾͟𝗇͟𝖿͟𝖾͟𝗋͟𝗆͟𝗈͟ , pero con el 𝑎͟𝑙͟𝑚͟𝑎 íntegra. 𝓩etho've.
V. ❲ㅤ༖ ᨈ 𝔩𝗎𝗀𝖺𝗋 ... s𝓵 i𝗇 𝕣uؐؒ֘𝗆͟𝖻͟𝗈͟.ㅤ𝟿𝟽˳
ᙃꮻꮯꮖꮮꭼ,⠀⠀ 𝒅 𝒆 𝒓 𝒏𝒆𝒔𝒔⠀⠀⠀▬▭ ⠀𝄒𝄒 ⠀ 㙜̲‑㘜⠀ ⠀ ᥫ᭡ ⠀ 𝓒𝗋𝗒⠀⠀⚟⠀⠀𝒛𝕖𝓁 ⒒⠀⠀ ☶͟ ⠀ 𝗈͟𝗅͟𝖾𝑎𝖽͟𝖺͟𝗌⠀ ⠀ྐ𑣿 ཫ ⠀⠀ ꮋ𝖆𝖘𝐭𝐚 ⠀⠀ ݇ ݈ 𓏧 ⠀⠀⠀ 𝗺͟𝗼⠀͟ ꭱ͟ꮖ͟ꭱ⠀ ⠀ ﹠̲ ⠀𝒏𝑒𝓇
(BONUS)
個 : 𝓔𝓵⠀┉┈ 𝐜𝐨́𝐦𝐨 𝓵ꭺ⠀« 𝗟𝗨𝗡𝗔 » 𝒽𝖾𝗋𝗆𝗈𝗌𝖺 𝑓𝑟𝑖̨𝑎'ℯ 🃌 #i͟n͟a͟l͟c͟a͟n͟𔕴z͟a͟b͟l͟e͟ 𝑄𝗎𝖾 𝚎𝚗 𝗌u ℘𝖺𝗌𝗂͡𝗈𝗇 𝗆𝖾 。 𝗉𝖾𝗋͟͟͟𝖽𝗂̀𝗈.
#twitter bios#bios dark#short bios#biosig#kpop bios#bios jungkook#soft bios#bioinspired#bios#biography
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Developing High-Performance Bioinspired Surface Textures for RepellingLunar Dust
ESI24 Zou Quadchart Min ZouUniversity of Arkansas, Fayetteville Lunar dust, with its highly abrasive and electrostatic properties, poses serious threats to the longevity and functionality of spacecraft, habitats, and equipment operating on the Moon. This project aims to develop advanced bioinspired surface textures that effectively repel lunar dust, targeting critical surfaces such as habitat exteriors, […] from NASA https://ift.tt/Q5Wva6x
#NASA#space#Developing High-Performance Bioinspired Surface Textures for Repelling Lunar Dust#Michael Gabrill
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"Bio-Inspired MEMS/NEMS Sensors" #sciencefather #biophotonics #science
#youtube#BiometricSensors BioInspired MEMS NEMS TechInnovation WearableTech SmartDevices FutureTech Engineering ScienceExplained NatureInspired TechF
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Scientists have developed a bioinspired yarn capable of harvesting water from fog, providing an innovative solution to water scarcity in arid regions. By imitating the alternating hydrophobic and hydrophilic patterns seen in desert beetles and the water-transporting abilities of micro/nanoscale one-dimensional spider silk, this double-strand yarn accelerates droplet formation, offering a promising approach to tackling the global water crisis.
Continue Reading.
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Bringing back the little infographics again 🦎
We always hear little chirping noises coming from the roof, but we rarely get to see which type(s) of geckos we have hiding up there....
I started thinking more about them and their features so I thought I'd share my findings 😊 Enjoy!
インフォグラフィックを戻ってきた 🦎 毎日屋根のなかに小さくさえずるを聞こえる���ど、なにもみえない。どんなヤモリがいますか?
いつもかんがえる。そして、このインフォグラフィックがある。お楽しみください!
Relevant links to interesting papers here: https://www.semanticscholar.org/paper/Simplified-three-dimensional-model-provides-in-as-Amorim-Travnik/856e592b3cf45a98be2b67a0927c51a399a406e7/ https://nyuad.nyu.edu/content/dam/nyuad/academics/divisions/engineering/lizard-tail/bioinspired-lizard-robot.pdf https://www.nature.com/articles/s41598-018-21526-3
#2D#art#アート#芸#illustration#gecko#australia#housegecko#ヤモリ#reptilesofinstagram#爬虫類#infographic#science#科学#research#herpetology
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Researchers develop innovative method to simplify manufacturing process of cellular ceramic
A study led by the School of Engineering of the Hong Kong University of Science and Technology (HKUST) has developed an innovative method that overcomes the limitations of traditional additive manufacturing (3D printing), significantly simplifying and accelerating the production of geometrically complex cellular ceramics. This approach has the potential to revolutionize the design and processing of multifarious ceramic materials, opening up new possibilities for new applications in energy, electronics, and biomedicine, including robotics, solar cells, sensors, battery electrodes, and bactericidal devices. The study titled "A Bioinspired Surface Tension-Driven Route Toward Programmed Cellular Ceramics," is published in the journal Nature Communications.
Read more.
#Materials Science#Science#Manufacturing#Ceramics#Additive manufacturing#3D printing#Surface tension#HKUST
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MBARI's Bioinspiration Lab is finding inspiration for new technology in deep-sea animals 🤖
Scientists have explored just a fraction of the deep sea. We still have a lot of questions about the animals that call these midnight waters their home. MBARI’s cutting-edge technology gives researchers a front row seat to the astonishing diversity of life in the deep sea. Our Bioinspiration Lab, led by bioengineer Kakani Katija, is developing groundbreaking tools to view deep-sea animals in their natural environment.
Bringing the laboratory into the ocean gives Kakani and her team a close-up look at delicate jellies and intricate corals. The team's innovative imaging tools reveal how deep-sea animals move, feed, and interact with each other. We're learning more about the important role of marine life in ocean health and climate.
By observing the creative adaptations that animals have for surviving in a cold, dark, and watery world, Kakani and her team also hope to help find novel solutions to some of the world’s biggest engineering challenges.
Nature has found creative solutions to engineering problems. Deep-sea animals may inspire new technology for energy generation, transportation, and materials science. Kakani and her team believe bioinspired design offers a world of new possibilities for technology.
Learn more about the Bioinspiration Lab and their work on our website.
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Unleashing Creativity: Top Ways to Generate Unique Fantasy Story Ideas
Photo: Standard License- Adobe Stock
Welcome back,
There's no denying that fantasy has been at the core of some of the most enchanting, daring, and downright unforgettable tales (for one reason or another) that have shaped the literary landscape. Who doesn't love the thrill of journeying to some new adventurous place with otherworldly creatures and epic battles between the forces of dark and light? Personally, I'm all about the dark side. Even for the most seasoned writers sparking the imagination can be difficult. Things like inspiration seem elusive as a dragon hiding in a mist-covered mountain. Today, I will cover a few ideas to find your muse. My muse sometimes hides in a dumpster...so let's find better ways to do this, shall we?
People Watching, with a Twist: Observing people in everyday situations can be a great source of inspiration. Now, add a layer of 'What If?'. What if the barista at your local coffee shop could control elements? What if the older woman feeding pigeons in the park was a retired warrior queen? This exercise allows you to create complex characters with intriguing backstories, ripe for the world of fantasy.
Travel Through Time: History is brimming with periods that, with a little twist, can become fantastic settings for your story. Victorian England's social hierarchies, the Renaissance's scientific innovations, and the fierce battles of Feudal Japan offer fertile ground for fantastical tales. Weave in elements of magic or mythical creatures, and you have an intoxicating cocktail of historical fact and enticing fantasy.
Bioinspiration – Fantasize with Flora and Fauna: The natural world is a veritable treasure trove of inspiration. Let's call this approach 'bioinspiration.' Start by exploring Earth's biodiversity's peculiar traits, behaviors, and survival mechanisms. Why not envision a species that communicates like whales but hunts like a pack of wolves? Or perhaps a plant that blooms under the moonlight and has the power to manipulate time? The possibilities are endless when you fuse the wonder of our world with a dash of fantasy.
Take a Hike (Literally!): When was the last time you truly engaged with the wilderness, the mountains, or the sea? Natural landscapes are rife with potential for fantasy storytelling. As you walk through a dense forest, consider the creatures that might inhabit such a place in a fantasy realm. That murmuring stream could be a water nymph's dwelling, and the wind howling through the canyon might be a dragon's call. Try to visualize your surroundings through the lens of fantasy — you may be surprised at what your imagination conjures up!
Harness the Power of Music: Like music, few things can stir the soul and spark the imagination. A piece of music can evoke many emotions and images depending on its rhythm, melody, and harmony. Try listening to music without lyrics (like classical, orchestral, or ambient music) and let your mind wander. Picture the scenes that the music evokes. Is that tranquil harp melody the song of a peaceful elven village? Does the tumultuous symphony represent the climax of an epic battle? Use these mental images as a springboard for your fantasy narrative.
So there it is, everyone. Five unique ways to draw up some inspiration. Go find your muse!! Probably shouldn't have said mine hides in a dumpster. I'm all about being superstitious, so I'm sure she'll never speak to me again.
Happy Writing,
Indigo Everly
P.S. Need more? Check out this post!
#WritingCommunity#Writeblr#WritersOfTumblr#CreativeWriting#WritingInspiration#WIPJoy (Work-In-Progress Joy)#WritersLife#WritingTips#ScriptScribbles#ProseAndPurpose#WriteItOut#StoryStarters#CharacterCreation#PlotTwists#WritingPrompts#WordCrafting#NaNoWriMo (National Novel Writing Month)#StoryScribes#PoeticProse#FanFictionFridays#FantasyStoryMagic#WritingWithDragons#WorldBuildingWonders#MythicMuses#BioInspiredTales#TimeTravelNarratives#DreamscapeEpics#ArtisticStorytelling#NatureImagined#MusicFueledFantasy
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Need a research hypothesis? Ask AI.
New Post has been published on https://thedigitalinsider.com/need-a-research-hypothesis-ask-ai/
Need a research hypothesis? Ask AI.
Crafting a unique and promising research hypothesis is a fundamental skill for any scientist. It can also be time consuming: New PhD candidates might spend the first year of their program trying to decide exactly what to explore in their experiments. What if artificial intelligence could help?
MIT researchers have created a way to autonomously generate and evaluate promising research hypotheses across fields, through human-AI collaboration. In a new paper, they describe how they used this framework to create evidence-driven hypotheses that align with unmet research needs in the field of biologically inspired materials.
Published Wednesday in Advanced Materials, the study was co-authored by Alireza Ghafarollahi, a postdoc in the Laboratory for Atomistic and Molecular Mechanics (LAMM), and Markus Buehler, the Jerry McAfee Professor in Engineering in MIT’s departments of Civil and Environmental Engineering and of Mechanical Engineering and director of LAMM.
The framework, which the researchers call SciAgents, consists of multiple AI agents, each with specific capabilities and access to data, that leverage “graph reasoning” methods, where AI models utilize a knowledge graph that organizes and defines relationships between diverse scientific concepts. The multi-agent approach mimics the way biological systems organize themselves as groups of elementary building blocks. Buehler notes that this “divide and conquer” principle is a prominent paradigm in biology at many levels, from materials to swarms of insects to civilizations — all examples where the total intelligence is much greater than the sum of individuals’ abilities.
“By using multiple AI agents, we’re trying to simulate the process by which communities of scientists make discoveries,” says Buehler. “At MIT, we do that by having a bunch of people with different backgrounds working together and bumping into each other at coffee shops or in MIT’s Infinite Corridor. But that’s very coincidental and slow. Our quest is to simulate the process of discovery by exploring whether AI systems can be creative and make discoveries.”
Automating good ideas
As recent developments have demonstrated, large language models (LLMs) have shown an impressive ability to answer questions, summarize information, and execute simple tasks. But they are quite limited when it comes to generating new ideas from scratch. The MIT researchers wanted to design a system that enabled AI models to perform a more sophisticated, multistep process that goes beyond recalling information learned during training, to extrapolate and create new knowledge.
The foundation of their approach is an ontological knowledge graph, which organizes and makes connections between diverse scientific concepts. To make the graphs, the researchers feed a set of scientific papers into a generative AI model. In previous work, Buehler used a field of math known as category theory to help the AI model develop abstractions of scientific concepts as graphs, rooted in defining relationships between components, in a way that could be analyzed by other models through a process called graph reasoning. This focuses AI models on developing a more principled way to understand concepts; it also allows them to generalize better across domains.
“This is really important for us to create science-focused AI models, as scientific theories are typically rooted in generalizable principles rather than just knowledge recall,” Buehler says. “By focusing AI models on ‘thinking’ in such a manner, we can leapfrog beyond conventional methods and explore more creative uses of AI.”
For the most recent paper, the researchers used about 1,000 scientific studies on biological materials, but Buehler says the knowledge graphs could be generated using far more or fewer research papers from any field.
With the graph established, the researchers developed an AI system for scientific discovery, with multiple models specialized to play specific roles in the system. Most of the components were built off of OpenAI’s ChatGPT-4 series models and made use of a technique known as in-context learning, in which prompts provide contextual information about the model’s role in the system while allowing it to learn from data provided.
The individual agents in the framework interact with each other to collectively solve a complex problem that none of them would be able to do alone. The first task they are given is to generate the research hypothesis. The LLM interactions start after a subgraph has been defined from the knowledge graph, which can happen randomly or by manually entering a pair of keywords discussed in the papers.
In the framework, a language model the researchers named the “Ontologist” is tasked with defining scientific terms in the papers and examining the connections between them, fleshing out the knowledge graph. A model named “Scientist 1” then crafts a research proposal based on factors like its ability to uncover unexpected properties and novelty. The proposal includes a discussion of potential findings, the impact of the research, and a guess at the underlying mechanisms of action. A “Scientist 2” model expands on the idea, suggesting specific experimental and simulation approaches and making other improvements. Finally, a “Critic” model highlights its strengths and weaknesses and suggests further improvements.
“It’s about building a team of experts that are not all thinking the same way,” Buehler says. “They have to think differently and have different capabilities. The Critic agent is deliberately programmed to critique the others, so you don’t have everybody agreeing and saying it’s a great idea. You have an agent saying, ‘There’s a weakness here, can you explain it better?’ That makes the output much different from single models.”
Other agents in the system are able to search existing literature, which provides the system with a way to not only assess feasibility but also create and assess the novelty of each idea.
Making the system stronger
To validate their approach, Buehler and Ghafarollahi built a knowledge graph based on the words “silk” and “energy intensive.” Using the framework, the “Scientist 1” model proposed integrating silk with dandelion-based pigments to create biomaterials with enhanced optical and mechanical properties. The model predicted the material would be significantly stronger than traditional silk materials and require less energy to process.
Scientist 2 then made suggestions, such as using specific molecular dynamic simulation tools to explore how the proposed materials would interact, adding that a good application for the material would be a bioinspired adhesive. The Critic model then highlighted several strengths of the proposed material and areas for improvement, such as its scalability, long-term stability, and the environmental impacts of solvent use. To address those concerns, the Critic suggested conducting pilot studies for process validation and performing rigorous analyses of material durability.
The researchers also conducted other experiments with randomly chosen keywords, which produced various original hypotheses about more efficient biomimetic microfluidic chips, enhancing the mechanical properties of collagen-based scaffolds, and the interaction between graphene and amyloid fibrils to create bioelectronic devices.
“The system was able to come up with these new, rigorous ideas based on the path from the knowledge graph,” Ghafarollahi says. “In terms of novelty and applicability, the materials seemed robust and novel. In future work, we’re going to generate thousands, or tens of thousands, of new research ideas, and then we can categorize them, try to understand better how these materials are generated and how they could be improved further.”
Going forward, the researchers hope to incorporate new tools for retrieving information and running simulations into their frameworks. They can also easily swap out the foundation models in their frameworks for more advanced models, allowing the system to adapt with the latest innovations in AI.
“Because of the way these agents interact, an improvement in one model, even if it’s slight, has a huge impact on the overall behaviors and output of the system,” Buehler says.
Since releasing a preprint with open-source details of their approach, the researchers have been contacted by hundreds of people interested in using the frameworks in diverse scientific fields and even areas like finance and cybersecurity.
“There’s a lot of stuff you can do without having to go to the lab,” Buehler says. “You want to basically go to the lab at the very end of the process. The lab is expensive and takes a long time, so you want a system that can drill very deep into the best ideas, formulating the best hypotheses and accurately predicting emergent behaviors. Our vision is to make this easy to use, so you can use an app to bring in other ideas or drag in datasets to really challenge the model to make new discoveries.”
#000#advanced materials#agent#agents#ai#AI AGENTS#ai model#AI models#AI systems#analyses#app#approach#artificial#Artificial Intelligence#Bioinspiration#Biology#Building#challenge#chatGPT#ChatGPT-4#chips#Civil and environmental engineering#coffee#Collaboration#Computer science and technology#cybersecurity#data#datasets#Design#details
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Ghost in the Machine - #1
The mimic octopus exemplifies a dynamic response system, adjusting to its environment in real-time by changing its physical form and behavior. This has parallels in cybernetic systems that adapt based on environmental feedback. Studies have looked at how the neural mechanisms behind this mimicry might inspire bioinspired models for flexible, adaptive AI systems.
#mimic octopus#marine biology#mimetism#cybernetics#Thaumoctopus mimicus#Youtube#artificial intelligence#behavioral plasticity#mytwistedspaces#ghost in the machine
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BIOS
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“It’s widely known that swimming in groups provides fish with added protection from predators, but we questioned whether it also contributes to reducing their noise,” said Dr. Rajat Mittal, senior author of the study.
“Our results suggest that the substantial decrease in their acoustic signature when swimming in groups, compared to solo swimming, may indeed be another factor driving the formation of fish schools.”
Dr. Mittal and colleagues created a 3D model based on the common mackerel (Scomber scombrus) to simulate different numbers of fish swimming, changing up their formations, how close they swam to one another, and the degrees to which their movements synched.
The model, which applies to many fish species, simulates one to nine mackerel being propelled forward by their tail fins.
The authors found that a school of fish moving together in just the right way was stunningly effective at noise reduction: a school of seven fish sounded like a single fish.
“A predator, such as a shark, may perceive it as hearing a lone fish instead of a group. This could have significant implications for prey fish,” Dr. Mittal said.
The single biggest key to sound reduction, the team found, was the synchronization of the school’s tail flapping — or actually the lack thereof.
If fish moved in unison, flapping their tail fins at the same time, the sound added up and there was no reduction in total sound.
But if they alternated tail flaps, the fish canceled out each other’s sound.
“Sound is a wave. Two waves can either add up if they are exactly in phase or they can cancel each other if they are exactly out of phase. That’s kind of what’s happening here though we’re talking about faint sounds that would barely be audible to a human,” Dr. Mittal said.
“The tail fin movements that reduce sound also generate flow interaction between the fish that allow the fish to swim faster while using less energy,” added Ji Zhou, first author of the study.
“We find that reduction in flow-generated noise does not have to come at the expense of performance.”
“We found cases where significant reductions in noise are accompanied by noticeable increases in per capita thrust, due to the hydrodynamic interactions between the swimmers.”
The researchers were surprized to find that the sound reduction benefits kick in as soon as one swimming fish joins another.
Noise reduction grows as more fish join a school, but the team expects the benefits to cap off at some point.
“Simply being together and swimming in any manner contributes to reducing the sound signature. No coordination between the fish is required,” Dr. Mittal said.
The study was published April 3 in the jounral Bioinspiration & Biomimetics.
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Ji Zhou et al. Effect of schooling on flow generated sounds from carangiform swimmers. Bioinspiration & Biomimetics, published online April 3, 2024; doi: 10.1088/1748-3190/ad3a4e
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