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52 notícias encontradas para "crystal"
Scientists create quantum sound device that could transform communications
Scientists create quantum sound device that could transform communications
A new quantum device can generate precisely controlled bursts of sound-like particles, or phonons, by forcing electrons through an ultra-thin crystal at extremely low temperatures. The surprising behavior pushes beyond the limits predicted by current theories, suggesting scientis
Chemists capture structure of the elusive borylnitrene trapped in a crystal using X-ray
Chemists capture structure of the elusive borylnitrene trapped in a crystal using X-ray
Nitrenes are the ghosts of synthetic chemistry, formed in an instant and gone just as quickly, rearranging into something entirely different. These highly reactive intermediates are widely used in synthesis, yet remain notoriously difficult to study because they rapidly transform
Atomic 'domino effect' found to drive phase changes in a two-dimensional crystal
Atomic 'domino effect' found to drive phase changes in a two-dimensional crystal
Phase transformations—in which a material changes from one crystal structure to another, thereby acquiring dramatically different properties—are ubiquitous in nature. Understanding the microscopic mechanisms of these transformations is essential for controlling material propertie
Metallic rutile oxides break the rules of cooling
Physicists have long puzzled over a strange contradiction inside a family of minerals called rutile oxides. These materials all share the same crystal structure—but while some of them, like titanium dioxide, are firmly insulating, others, like ruthenium dioxide, conduct electrici
Schrödinger’s anthill: Quantum entanglement found in a crystal large enough to hold
A centimeter-sized crystal has revealed clear signs of quantum entanglement, showing that large, everyday objects can display surprisingly deep quantum behavior. The discovery could help solve the mystery of strange metals while opening new possibilities for ultra-precise quantum
Why some glasses break suddenly while others deform smoothly
If a liquid is cooled slowly to its freezing point, it becomes a crystal in which the constituent particles are arranged in an ordered pattern. In contrast, when the liquid is cooled very quickly, the particles are unable to arrange themselves in an ordered fashion, and it become
Artificial hand reproduces human gestures using memory written into light-responsive polym
Danqing Liu from Eindhoven University of Technology explores how interactions with digital systems can be improved through the sense of touch. To achieve this, she develops advanced liquid crystal polymers that respond to light. Her work has recently been published in two scienti
New 3D COF structure could help tune porous materials for batteries and cleanup
A research team synthesized and determined the structure of a borate-linked 3D crystalline covalent organic framework, TCTP-COF, via electron diffraction for the first time. These findings will help scientists determine the structure-property relationships for other 3D COFs and f
Why have humans collected crystals for 780,000 years? Chimpanzees may hold the answer
Why have humans collected crystals for 780,000 years? Chimpanzees may hold the answer
Chimpanzees showed a remarkable attraction to crystals, choosing them over ordinary stones and studying them with intense curiosity. The results suggest that the same unusual features may have fascinated early humans long before crystals had any practical use.
The secret to hydrogen's quantum behavior lies in symmetry
The secret to hydrogen's quantum behavior lies in symmetry
As interest in clean hydrogen power grows, so does the need for safe storage and transportation materials. One such material, vanadium, is a leading candidate because it readily absorbs hydrogen and allows it to move through its crystal structure. However, hydrogen displays varyi
Smart TV Samsung 50" Crystal 4K despenca para R$ 2.078 com cupom
Tecnologia
Smart TV Samsung 50" Crystal 4K despenca para R$ 2.078 com cupom
Quem estava esperando uma boa oportunidade para trocar a TV da sala ou do quarto precisa aproveitar essa promoção rápida. A Smart TV Samsung Crystal UHD 4K U8600F de 50 polegadas entrou em uma oferta imperdível no Canaltech Ofertas.  📱 Veja as melhores promoções de celulares no WhatsApp do CT Ofertas Usando o nosso cupom exclusivo, o preço do aparelho cai para apenas R$ 2.078,90 no Pix, um valor excelente para um modelo tão
Foto: Anete Lusina / Pexels
Tecnologia
Hora de renovar a sala: Smart TVs 4K em promoção na Amazon
Se você está pensando em trocar aquela televisão antiga por um modelo mais moderno, este é um bom momento para pesquisar. Reunimos três opções de Smart TVs 4K disponíveis na Amazon com boas condições, incluindo modelos de marcas consagradas como LG, SEMP e Samsung. Confira as ofertas abaixo e veja qual se encaixa melhor no […] O post Hora de renovar a sala: Smart TVs 4K em promoção na Amazon apareceu primeiro em Olhar Digital.