Results 101 to 110 of about 553 (261)

TESCLA: A Fully Soft Electromagnetic Linear Actuator With Continuous Bending Enabled by Liquid‐Metal Solenoids

open access: yesAdvanced Materials, EarlyView.
TESCLA (tubular electromagnetic soft conformal linear actuator) combines liquid‐metal solenoids and compliant magnetic composites to achieve large‐stroke bidirectional actuation with continuous bending. Integrated inductance‐based self‐sensing enables proprioceptive position estimation without external sensors, providing a versatile platform for soft ...
Yeongjin Choi   +3 more
wiley   +1 more source

Debaixo dos caracóis dos seus cabelos: as mudanças nas políticas da Meta e a tomada da Casa Branca pelo Vale do Silício

open access: yesRECIIS
O artigo analisa as recentes mudanças nas políticas da Meta, incluindo a flexibilização na moderação de conteúdo e o abandono de agências de checagem de fatos.
Rafael Evangelista
doaj   +1 more source

Skin‐Like Tri‐Modal Sensors Based on Soft Piezoelectric and Ionic Composites

open access: yesAdvanced Materials Technologies, EarlyView.
Inspired by the multimodal perception of human skin, a soft, skin‐like tri‐modal sensor is presented. The device incorporates an ionically conductive, piezoelectric, elastic composite as its active layer, enabling independent detection of temperature, static strain, and dynamic strain within a single two‐terminal architecture.
Liren Wang   +9 more
wiley   +1 more source

Testing and Simulation of Multilayer Polyvinylidene Fluoride‐Based Piezoelectric Energy Harvester Devices

open access: yesAdvanced Materials Technologies, EarlyView.
The study considers the use of polymer/dielectric‐based multilayers piezoelectric Energy Harvesters (EH) to produce an output voltage and current, by exploiting the mechanical energy provided by human organs movements. In particular, the heart motion is considered from the kinematic viewpoint, and a multiphysics theoretical model is developed to assess
Hamdi Ezzin   +5 more
wiley   +1 more source

REFLEXÃO SOBRE O USO DE PLATAFORMAS DIGITAIS POR CRIANÇAS E ADOLESCENTES NO BRASIL

open access: yesRevista de Estudos de Cultura
Debates sobre a proibição do uso de celulares em escolas brasileiras levantam discussões acerca dos limites da introdução e permanência de crianças e adolescentes no ambiente digital.
Camila Silva Lima   +1 more
doaj   +1 more source

Coating‐Free Nanoscratching for Liquid‐Crystal Alignment on PCB‐Compatible Millimeter‐Wave Reflective Unit Cells

open access: yesAdvanced Materials Technologies, EarlyView.
Direct nanoscratching with a 500 nm diamond lapping film creates groove‐guided liquid‐crystal alignment interfaces on PCB‐compatible Cu‐patterned RF substrates within minutes, eliminating polymer coating and high‐temperature baking. The coating‐free process enables optical/molecular alignment validation and voltage‐programmable 28 GHz reflection‐phase ...
Junseok Ma   +5 more
wiley   +1 more source

Ultrathin and Flexible Organic Light‐Addressable Potentiometric Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
The first ultrathin, fully organic, and flexible light‐addressable potentiometric sensor (LAPS) is demonstrated. With a thickness of only 2.3–2.9 µm, this standalone film offers sensitivity to electrolyte potential and stable performance for over 170 days.
Ami Ichikawa   +6 more
wiley   +1 more source

Impactos da plataformização na educação básica: desafios e implicações no contexto educacional

open access: yesEducação & Formação
O objetivo deste estudo é analisar como plataformas digitais são inseridas e integradas ao cotidiano da Educação Básica, a partir da perspectiva de docentes de três escolas do sul de Minas Gerais.
Cláudia Eliane da Matta   +2 more
doaj   +1 more source

Infant Botulism. [PDF]

open access: yesJ Educ Teach Emerg Med, 2023
Garispe A, Cherry S.
europepmc   +1 more source

3D‐Printed Dual‐Doped Ag2Se‐Based Thermoelectric Films With Enhanced Thermal Stability

open access: yesAdvanced Materials Technologies, EarlyView.
Sb–Se dual doping enhances the thermal stability of Ag2Se‐based thermoelectric systems. The compositionally tuned nano‐ink is printed into flexible films by direct ink writing (DIW), retaining improved thermoelectric properties after annealing up to 400°C.
Ahasun Habib Hridoy   +8 more
wiley   +1 more source

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