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A destructive civil war, social upheaval, market forces and plastic have all played a part in the gradual erosion of Jaffna’s rich legacy of arts and crafts. A major dyeing and weaving centre before colonization, its skilled artisans have gradually disappeared, taking with them a wealth of irreplaceable knowledge. At one point, almost ten percent of the northern population was involved in the craft industry.
For a fledging industry that relies on tourists and diaspora clients, the most recent set back was Covid-19 that disrupted the flow of visitors who purchased the products.
But it’s not just about selling because it is a self-sustaining venture based on innovation, creativity, preserving old designs and techniques and helping vulnerable communities.
Reconstruction
The renovation is based on the in-depth study of the traditional stilted buildings at a cost similar to that of the villagers’ spontaneous renovation, and meets the villagers’ lifestyle and personal demands. We hope the design strategy which not only solves the problem but also maintains the cost unchanged can become a model for villagers to rebuild their own houses and protect the local context.
Balancing the conflict between traditional buildings and new needs, and weakening the heterogeneity brought by modern materials are the first considerations for the design team. The demonstration reconstruction design maximizes the retention and utilization of the original building structure and facade materials, and integrates the modern toilets, kitchens, farm tool storage and other living functions needed in the contemporary life of the villagers into the original building’s stilt floor and on one side of the building. At the same time, part of the overhe
Nano-vault architecture alleviates stress in Si-based anodes for Li-ion batteries
New research conducted by the Okinawa Institute of Science and Technology Graduate University (OIST) has identified a specific building block that improves the anode in lithium-ion batteries. The unique properties of the structure, which was built using nanoparticle technology, are revealed and explained in an open-access paper in the Nature journal
Communications Materials.
Nanomaterials undergoing cyclic swelling-deswelling benefit from inner void spaces that help accommodate significant volumetric changes. Such flexibility, however, typically comes at a price of reduced mechanical stability, which leads to component deterioration and, eventually, failure. Here, we identify an optimised building block for silicon-based lithium-ion battery (LIB) anodes, fabricate it with a ligand- and effluent-free cluster beam deposition method, and investigate its robustness by atomistic computer simulations.
New research has identified a nanostructure that improves the anode in lithium-ion batteries. Instead of using graphite for the anode, the researchers turned to silicon: a material that stores more charge but is susceptible to fracturing. The team deposited silicon atoms on top of metallic nanoparticles to form an arched nanostructure, increasing the strength and structural integrity of the anode. Electrochemical tests showed the batteries had a higher charge capacity and longer lifespan.
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