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2,372 notícias encontradas para "matéria"
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Inorganic nanoscale device behaves like a single neuron, opening doors for AI and retinal
McGill University researchers have developed a light-detecting nanoscale structure that mimics how a neuron processes information. The neuron-like behavior emerges from the materials themselves, reducing the energy demand associated with similar devices that rely on circuits or s
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Nanoparticle exsolution opens a new route to functional oxide electronics and spintronics
A research team has developed a new strategy to simultaneously control the electronic and magnetic properties of oxide thin films through a process known as exsolution. The team was led by Professor Hyeon Han and Professor Donghwa Lee from the Department of Materials Science and
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New solid-state material converts sunlight into higher-energy UV light
A new sunlight-powered material can convert visible light into higher-energy UV light, overcoming a challenge that has frustrated scientists for years. The breakthrough could enable cleaner air purification, solar-driven chemistry, and advanced manufacturing technologies using no
Foto: Kristin Morgan / Pexels
Novel crystal strategy delivers near-perfect zero thermal expansion from 11 K to 893 K
Almost every material expands when heated. Well-known examples include railroad tracks and concrete roadways, which feature visible expansion gaps to accommodate this effect. However, thermal expansion poses a far more acute challenge for extremely precise technologies, such as l
Classificação obrigatória de plásticos avança em comissão da Câmara
Classificação obrigatória de plásticos avança em comissão da Câmara
Texto aprovado prevê identificação do material, regras de reciclabilidade, logística reversa e meta progressiva de conteúdo reciclado em embalagens. O post Classificação obrigatória de plásticos avança em comissão da Câmara apareceu primeiro em Canal Rural.
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Lithium-doped carbon nanorings show promise for next-generation optical devices
Nonlinear optical materials are essential for advanced photonics and laser technologies, but researchers are still searching for ways to optimize organic, carbon-based alternatives. Using computational modeling, scientists demonstrated that adding a lithium atom to the outside of
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Injectable silk-kudzu hydrogel achieves complete wound closure in laboratory tests
Researchers at the Terasaki Institute for Biomedical Innovation have developed an injectable hydrogel, a water-based gel material, made from silk proteins and a plant-derived compound. In laboratory tests, the material promoted complete wound closure within 72 hours, suggesting a
Você viu? Fiscais apreendem 128 mil latas de cerveja e 48 toneladas de soja
Você viu? Fiscais apreendem 128 mil latas de cerveja e 48 toneladas de soja
Foto: SefaCarga da bebida, avaliada em R$ 360 mil, tinha como destino empresa com inscrição suspensa O post Você viu? Fiscais apreendem 128 mil latas de cerveja e 48 toneladas de soja apareceu primeiro em Canal Rural.
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Switching spin states in manganese ions with light opens new path for molecular memory
Researchers at Johannes Gutenberg University Mainz (JGU) have developed a new way to use molecules as tiny data storage devices with a new manganese-based material. Until now, this was possible only with iron-containing molecular materials, which require very low temperatures—ran
Synthetic chemical framework can switch magnetic spin states at near ambient temperatures
Synthetic chemical framework can switch magnetic spin states at near ambient temperatures
There is growing demand for smart materials that can change their physical properties in response to various external stimuli such as light, heat, pressure, magnetic fields and electric fields. One such physical property is the magnetic state of material complexes, which depends
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AI tool reliably predicts the flame resistance of new materials
Researchers at IMDEA Materials Institute have developed an artificial intelligence (AI)-based strategy to predict and assess the fire resistance of epoxy resins, one of the most widely used polymers in industry.
Foto: Kata Tsumuri / Pexels
Rice grown on the moon? Air-to-fertilizer technology helps rice grow in lunar soil simulan
Securing sustainable food supplies is a key challenge for long-term human exploration and potential habitation of the moon. The moon's soil contains no organic material, and essential plant nitrogen sources like ammonia and nitrate are virtually nonexistent.