Results 41 to 50 of about 1,040 (238)

Reprogrammable Phase‐Transition Composites for Adaptive Dynamic Shape Morphing

Advanced Science, EarlyView.
This paper reports a bio‐inspired reprogrammable phase‐transition composites that uses the stiffness change induced by reversible solid‐liquid phase transition to program and regulate the material deformation actuated by reversible liquid‐vapor phase transition, thereby achieving adaptive dynamic deformation in a controllable manner, and enabling ...
Yiding Zhong, Wei Tang, Xinyu Guo, Kecheng Qin, Pingan Zhu, Qincheng Sheng, Yonghao Wang, Huayong Yang, Jun Zou   +8 more
wiley   +1 more source

Full-Duplex in Massive Multiple-Input Multiple-Output

IEEE Open Journal of Vehicular Technology
In-band full-duplex (FD) operation can double the spectral efficiency of massive multiple-input multiple-output (mMIMO) systems by allowing simultaneous transmission and reception over the same time/frequency slot. However, the main challenge encountered
Tho Le-Ngoc, Yuanzhe Gong, Mobeen Mahmood, Asil Koc, Robert Morawski, James Gary Griffiths, Philippe Guillemette, Jamal Zaid, Peiwei Wang   +8 more
doaj   +1 more source

Broadband Achromatic Programmable Electromagnetic Camouflage via Fluidic‐Accessible Metasurface

Advanced Science, EarlyView.
A fluidic access metasurface enables dynamic, broadband electromagnetic illusions. By physically reconstructing conductive patterns with liquid metal, the metasurface achieves real‐time, pixel‐level control over phase dispersion. This allows for the programmable generation of arbitrary strong scattering point arrays, effectively deceiving high ...
Shipeng Liu, Jiahao Zhang, Jiale Wang, Zeyao Chen, Zhaotong Yu, Jinhong Luo, Jiabao Luo, Rujia Cao, Shuxi Gong, Qingxin Guo, Ping Li, Rujiang Li, Ke Chen, Yongtao Jia, Ying Liu   +14 more
wiley   +1 more source

Beyond the Ban—Shedding Light on Smallholders' Price Vulnerability in Indonesia's Palm Oil Industry

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The Indonesian government imposed a palm oil export ban in April 2022 to address rising cooking oil prices. This study explores oil palm smallholders' vulnerability to the policy using descriptive statistics, Lasso, and post‐Lasso OLS regressions.
Charlotte‐Elena Reich, Tim Ölkers, Vanessa Bonke, Oliver Musshoff   +3 more
wiley   +1 more source

Concurrent wireless power and information transfer with beamforming for 5G networks

Results in Optics
In this study, we investigate a multiple-input single-output non-orthogonal multiple access (MISO-NOMA) system with simultaneous wireless information and power transfer (SWIPT).
Arun Kumar, Nishant Gaur, Sumit Chakravarty, Aziz Nanthaamornphong   +3 more
doaj   +1 more source

Triboelectric Tactile Transducers for Neuromorphic Sensing and Synaptic Emulation: Materials, Architectures, and Interfaces

Advanced Energy and Sustainability Research, EarlyView.
Triboelectric nanogenerators are vital for sustainable energy in future technologies such as wearables, implants, AI, ML, sensors and medical systems. This review highlights improved TENG neuromorphic devices with higher energy output, better stability, reduced power demands, scalable designs and lower costs.
Ruthran Rameshkumar, Arunkumar Chandrasekhar, Poongundran Selvaprabhu   +2 more
wiley   +1 more source

Farmers’ Protests in Germany: Media Coverage and Types of Bias

Agribusiness, EarlyView.
ABSTRACT The German farmers’ protests of 2024 sparked widespread media coverage and public debate. Yet, media coverage was not always positive, reflecting the media's attention‐seeking and selective focus. Occurrences of farmers blocking media outlets reflected distrust in how their concerns were portrayed.
Felix Schlichte, Doris Läpple
wiley   +1 more source

A Miniature Rotary Electrostatic Clutch for Assigning Multi‐Degrees of Freedom to Insect‐Scale Robots

Advanced Intelligent Systems, EarlyView.
Insect‐scale crawling robots can traverse confined environments; nevertheless, their functionalities are predominantly restricted to sensing because of challenges in integrating actuated degrees of freedom. Herein, a miniature rotary electrostatic clutch is presented by incorporating cutting patterns in the clutch layer.
Jongeun Lee, Amir Firouzeh, Seunghyun An, Pilwoo Lee, Kyu‐Jin Cho   +4 more
wiley   +1 more source

Movable-Antenna-Aided Covert ISAC-NOMA Networks: Joint Antenna Positioning and Resource Allocation

IEEE Open Journal of the Communications Society
Integrated sensing and communication (ISAC) systems face critical security vulnerabilities when dual-functional waveforms are used for covert operations, as static antenna architectures inherently lack the spatial agility to harmonize communication ...
A. Abdelaziz Salem, Mohamed Saad, Saeed Abdallah, Mahmoud A. Albreem, Khawla A. Alnajjar, Hayssam Dahrouj, Hesham Elsawy   +6 more
doaj   +1 more source

To protect and preserve? Explaining the gap between structural and superficial racial equality regimes in North Atlantic Rim universities

British Educational Research Journal, EarlyView.
Abstract This article examines how UK and US universities manage racial equality regimes through governance structures that prioritise institutional reputation over substantive racial justice reform. Drawing on Bourdieu's field, habitus and capital theory, the study demonstrates how universities neutralise racial justice efforts through bureaucratic ...
David Roberts
wiley   +1 more source