Results 141 to 150 of about 546,655 (283)

Steady‐State and Dynamic Behavior of Geometry‐Tunable Microfluidic Passive Flow Regulators

open access: yesSmall, EarlyView.
Passive microfluidic flow regulators exhibit geometry‐dependent dynamic behavior, where channel width governs the resistance–compliance interactions within the system. Narrow channels produce faster responses with higher bandwidth, while wider channels yield slower responses and stronger attenuation.
Huy Hoang Vu   +4 more
wiley   +1 more source

An Introduction to Predictive Processing Models of Perception and Decision‐Making

open access: yesTopics in Cognitive Science, EarlyView., 2023
Abstract The predictive processing framework includes a broad set of ideas, which might be articulated and developed in a variety of ways, concerning how the brain may leverage predictive models when implementing perception, cognition, decision‐making, and motor control.
Mark Sprevak, Ryan Smith
wiley   +1 more source

Biomimetic and Gel‐Mediated Tissue Adhesive Structures for Skin Conformal and Multifunctional Bioelectronics

open access: yesSmall, EarlyView.
Inspired by octopus suction structures, a biomimetic epidermal electrode is developed as a durable, skin‐conformal platform for next‐generation wearable and therapeutic bioelectronics. The electrodes exhibit skin‐matching mechanical properties and achieve strong, reusable adhesion on wet skin, outperforming commercial electrodes by maintaining adhesion
Jia Xi Mary Chen   +7 more
wiley   +1 more source

Three‐Dimensional Optical and Computational Reconstruction of Colloidal Electrokinetic Flows via Multiplane Imaging and Multiscale Modeling

open access: yesSmall, EarlyView.
Fast 3D multiplane microscopy is combined with multiscale electrokinetic modeling to reconstruct nanoparticle motion around quadrupolar electrodes. This integrated optical‐computational framework reveals the full three‐dimensional structure of colloidal electrokinetic flows, including localized trapping, depletion layers, and complex vortical motion ...
Flip de Jong   +23 more
wiley   +1 more source

Synthesis of Samarium‐incorporated X‐ray‐sensitive nanoparticles and hydrogels: Diverse applications in radiation monitoring and dynamic information display

open access: yesSmart Molecules, EarlyView.
Sm3+‐doped α‐NaLuF4 and β‐NaLuF4 were synthesized. The X‐ray‐activated persistent luminescence abilities and afterglow properties can be well controlled. Sm3+‐doped β‐NaLuF4 exhibits remarkable afterglow ability. The hexagonal β‐NaLuF4:3%Sm3+‐incorporated hydrogel can be further programmed with other types of hydrogels to enable tunable emission ...
Zetong Zhang   +6 more
wiley   +1 more source

Discrete Laplace-Beltrami operator on sphere and optimal spherical triangulations

open access: yes, 2004
In this paper we first modify a widely used discrete Laplace Beltrami operator proposed by Meyer et al over triangular surfaces, and then establish some convergence results for the modified discrete Laplace Beltrami operator over the triangulated spheres.
Guoliang Xu
core  

Unusual vertical oscillations of a radiosonde

open access: yesWeather, EarlyView.
In summer 2023 in southern England, several unusual balloon launches were observed which descended for a few minutes before resuming ascent. This unusual vertical oscillation was repeated several times in a ‘roller‐coaster’‐like pattern. This article discusses the behaviour of the balloons.
Caleb Miller   +3 more
wiley   +1 more source

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