Results 111 to 120 of about 1,080,755 (230)

Multilayer Soft Photonic Arrays Inspired by Cephalopod Skin for High‐Density, Independent, and Multimodal Actuation

open access: yesAdvanced Functional Materials, EarlyView.
A vertically stacked, DEA‐driven photonic array inspired by cephalopod skin, featuring highly crystalline colloidal crystal gels with vivid color, low FWHM and scalability is presented. The multilayer design removes lateral pixel interference, achieving near‐100% fill factor with fully independent RGB actuation.
Maga Kim   +11 more
wiley   +1 more source

Leitura e demonstração de experimentos por meio de vídeos: análise de uma proposta a partir da escrita dos estudantes

open access: yesRevista Brasileira de Pesquisa em Educação em Ciências, 2013
O presente estudo relata uma atividade de leitura associada à apresentação de experimentos mediante vídeos disponíveis on-line, desenvolvida em sala de aula com estudantes de um curso pré-vestibular localizado no município de Araraquara-SP.
Wilmo Ernesto Francisco Junior   +1 more
doaj  

Nova tècnica que optimitza la transmissió de vídeo en xarxa [PDF]

open access: yes, 2011
En l'actualitat existeixen múltiples aplicacions que requereixen de la transmissió de vídeo per Internet: vídeo sota demanda, televisió a la carta, o videoconferència en són alguns exemples presents en la nostra vida quotidiana.
Aulí Llinàs, Francesc
core   +1 more source

Selection Strategies for Flexible Pressure Sensor Electrode Materials Toward Ultrafast Response

open access: yesAdvanced Functional Materials, EarlyView.
This study reveals, for the first time, how the electrode–organic interface governs the temporal performance of flexible pressure sensors. By pairing high‐conductivity CVD PEDOT with commonly used metal electrodes, the authors demonstrate that interfacial energy alignment dictates microsecond‐scale response, providing a straightforward design strategy ...
Jinwook Baek   +11 more
wiley   +1 more source

"Esto es solo una película…". Vídeos malditos y horror audiovisual desde lo fantástico

open access: yesBrumal: Revista de Investigación sobre lo Fantástico
Las cintas de vídeo y los rollos de películas destacan como objetos fantásticos en el cine de terror, al trascender su función como simples dispositivos reproducibles para convertirse en catalizadores de lo sobrenatural. Esta naturaleza fantástica se ve
Víctor Hernández-Santaolalla
doaj   +1 more source

Produção de vídeo em contexto educativo : estratégia de participação [PDF]

open access: yes, 2010
Este texto relata uma experiência de investigação em que se procurou compreender se as “novas” tecnologias de vídeo digital são mediadoras de melhores formas de aprendizagem e socialização.
Pinto, Emília Maria Claro   +1 more
core  

Robust and Reversible Thermofluorescence in Solvent‐Free Thermoplastic Polyurethane Composites

open access: yesAdvanced Functional Materials, EarlyView.
Thermofluorescent polymer composites with high‐contrast optical outputs are prepared by solvent‐free blending of indenoquinacridone dye into a thermoplastic polyurethane matrix. The temperature‐dependent fluorescence originates from aggregation–dissociation of the dye molecules, regulated by competing hydrogen bonds from the polymer matrix.
Guanghua Yu   +8 more
wiley   +1 more source

Viscoelasticity‐Induced Controllable Periodic Meso‐Textures of Liquid Crystal Polymers in Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Viscoelasticity‐driven instabilities are harnessed to create tunable, periodic textures in 3D‐printed liquid crystalline polymers. This study illustrates how processing parameters control these spontaneous meso‐scale patterns. These unique structural architectures unlock new possibilities for functional devices, ranging from photonic components to ...
Miaomiao Zou   +17 more
wiley   +1 more source

Estudio del movimiento de caída libre usando vídeos de experimentos

open access: yesRevista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2015
Los trabajos pioneros de Eadweard Muybridge en fotografía e imágenes en movimiento en el año 1878 quedieron origen al vídeo, así como los de Harold Edgerton en vídeos de alta velocidad realizado a mediados delsigloXX,buscaban entender el comportamiento ...
Francisco Vera   +3 more
doaj  

Controlled Movement of Soft Actuators using Multi‐Responsive Microgel Arrays and Microcirculatory Systems

open access: yesAdvanced Functional Materials, EarlyView.
Microscale hydrogels (microgels) feature improved mass transport characteristics supportive of fast actuation and chemical tunability amenable to programmed stimuli response. A unique soft actuator architecture is realized by encapsulating microgels in soft microcirculatory systems which enable the convenient delivery of liquid stimuli for powering and
Nengjian Huang   +2 more
wiley   +1 more source

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