Results 81 to 90 of about 38,970 (264)

Everyday, space and time in an ancient neighborhood in São Paulo city: transformations o f the city and lived dimension

open access: yesGEOUSP: Espaço e Tempo, 2004
This article tries to discuss some of the spacialities of a sector of São Paulo City, known as Água Branca. We will try to put in evidence the importance of the constant interaction between the empirical analysis and the theories about the industry and ...
Aluísio Wellichan Ramos
doaj   +1 more source

Biointegrated Multilayer Stretchable OLED Platform With Strain‐Decoupled Architecture for Durable Phototherapeutic Applications

open access: yesAdvanced Science, EarlyView.
A multilayer stretchable organic light‐emitting diode (SOLED) patch enables conformal, high‐fill‐factor phototherapeutic illumination through vertically decoupled electrodes and robust encapsulation. The textile‐based SOLED platform delivers stable skin‐contact red light for wearable phototherapy and 5‐aminolevulinic acid (ALA)‐mediated photodynamic ...
Young Hyun Son   +5 more
wiley   +1 more source

A Meta-Analysis of the Effects of Sociodemographic Factors on Social Media Adoption

open access: yesInternational Journal of Communication, 2019
Focusing on the effects of sociodemographic factors on the social media divide, one of the second-level divides, this meta-analysis finds that individuals who were female, younger, well-educated, well-paid, and urban residents were more likely to use ...
Guangchao Charles Feng   +2 more
doaj  

The sanctuary of Zeus Krezimos in Metropolis in Ionia

open access: yesGephyra, 2018
The sacred site of Zeus Krezimos, just in front of the rocky part of the northern slope of the Metropolis acropolis, is considered to be the first cult center discovered in the ancient city. Although the exact location of the cult center of Ares, the god
Serdar Aybek   +2 more
doaj   +1 more source

Hydrogen‐Stabilized Self‐Rectifying Memristor Arrays for Reliable Multilevel Synapses in Transformer‐Based Keyword Spotting

open access: yesAdvanced Science, EarlyView.
A non‐filamentary self‐rectifying HfO2/TiOx resistive random‐access memory integrates H2 annealing with an incremental step pulse with verify algorithm to achieve stable and linear analog conductance modulation. The device enables low‐current 6‐bit multilevel operation while suppressing sneak current in crossbar arrays. Implemented in Transformer‐based
Seonjeong Lee   +5 more
wiley   +1 more source

The Influencing Factors on Population Growth in Metropolises from the Viewpoints of Experts: Case Study of Tehran

open access: yesInterdisciplinary Studies in the Humanities, 2016
The present paper aims to find the factors influencing population growth in metropolises and thus provide a model for population growth in large cities based on expert opinions.
F. Mansourian   +3 more
doaj   +1 more source

Hierarchical Multi‐Mode Computing in Interlayer‐Coupled 3D RRAM Crossbar Arrays

open access: yesAdvanced Science, EarlyView.
2‐deck RRAM crossbar array provides a versatile hardware platform for multifunctional in‐memory computing. Stacked, series, and entropy node configurations enable multi‐layer conductance modulation, logic‐in‐memory operation, genetic learning, and reconfigurable physical unclonable functions.
Seungman Park   +7 more
wiley   +1 more source

Coexisting Volatile and Nonvolatile Switching in 3D ALD‐IGZO Vertical RRAM for Fully Hardware‐Based Wide Reservoir Computing

open access: yesAdvanced Science, EarlyView.
A conformal ALD‐IGZO vertical RRAM integrates volatile and nonvolatile switching within a compact 2F architecture. Before forming, tunable volatile dynamics provide fading‐memory reservoir states, while after forming, stable multilevel conductance modulation enables hardware readout.
Seeun Lee   +6 more
wiley   +1 more source

Stepwise Engineering of Van der Waals Heterostructures for High Current Density in Light Emitting Devices

open access: yesAdvanced Electronic Materials, EarlyView.
A novel strategy for achieving high current density in van der Waals (vdW) heterostructure‐based light‐emitting devices (LEDs) is proposed. Based on this concept, an LED utilizing a WS2/WSe2 heterostructure was fabricated, achieving a current density of 9.4 × 104 A/cm2.
Rei Usami   +7 more
wiley   +1 more source

Fundamental Challenges, Physical Implementations, and Integration Strategies for Ising Machines in Large‐Scale Optimization Tasks

open access: yesAdvanced Electronic Materials, EarlyView.
Ising machines are emerging as specialized hardware solvers for computationally hard optimization problems. This review examines five major platforms—digital CMOS, analog CMOS, emerging devices, coherent optics, and quantum systems—highlighting physics‐rooted advantages and shared bottlenecks in scalability and connectivity.
Hyunjun Lee, Joon Pyo Kim, Sanghyeon Kim
wiley   +1 more source

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