Results 61 to 70 of about 36,294 (263)

Theoretical Models of Sunspot Structure and Dynamics

, 2009
Recent progress in theoretical modeling of a sunspot is reviewed. The observed properties of umbral dots are well reproduced by realistic simulations of magnetoconvection in a vertical, monolithic magnetic field.
A Sainz Dalda, B Montesinos, C Beck, C Westendorp Plaza, DCH Stanchfield II, E Knobloch, EN Parker, GB Scharmer, GB Scharmer, GB Scharmer, HC Spruit, HJ Hagenaar, I Márquez, J Jurc̆ák, JC del Toro Iniesta, JH Thomas, JH Thomas, JH Thomas, JH Thomas, JM Borrero, JM Borrero, JM Borrero, K Ichimoto, K Langhans, K Langhans, L Bharti, L Bharti, LR Bellot Rubio, M Rempel, M Schüssler, M Sobotka, M Sobotka, MJ Penn, NH Brummell, NO Weiss, R Schlichenmaier, R Schlichenmaier, SK Solanki, SK Solanki, T Heinemann, TR Rimmele   +40 more
core   +1 more source

Flexible and High‐Performance Perovskite‐Polymer Composites for Dual X‐Ray and Proton Direct Detection

Advanced Optical Materials, EarlyView.
A polymer–perovskite composite obtained by mechanochemical synthesis enables thick, tunable active layers for efficient absorption of highly penetrating ionizing radiation. Vertical‐electrode detectors achieve low X‐ray detection limits and high sensitivity direct 5 MeV proton sensing.
Camilla Bordoni, Bas A. H. Huisman, Joost W. C. Reinders, Ilaria Fratelli, Massimo Chiari, Laura Basiricò, Henk J. Bolink, Andrea Ciavatti, Michele Sessolo, Beatrice Fraboni   +9 more
wiley   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Observational Analysis of Multithermal Counterstreaming Flows in a Forming Filament and Their Relationship with Local Heating at Filament Footpoints

The Astrophysical Journal
Utilizing high-resolution imaging and spectroscopic observations from the New Vacuum Solar Telescope, the Interface Region Imaging Spectrograph, and the Solar Dynamics Observatory, we investigated the nature and origin of counterstreaming flows within a ...
Hongrui Li, Hechao Chen, Chun Xia, Xiaoli Yan, Yongyuan Xiang, Jincheng Wang   +5 more
doaj   +1 more source

Formation of an Intermediate Filament Driven by Small-scale Magnetic Reconnection

The Astrophysical Journal, 2023
We present the formation process of a filament in NOAA active region 12765 from 2020 June 5 to 8, using observations from the New Vacuum Solar Telescope, the Solar Dynamics Observatory, and the Global Oscillation Network Group. We found that intermittent
Xia Sun, Xiaoli Yan, Hongfei Liang, Zhike Xue, Jincheng Wang, Liheng Yang, Zhe Xu, Liping Yang, Yang Peng, Qiaoling Li, Zihan li, Xinsheng Zhang   +11 more
doaj   +1 more source

Collective Study of Polar Crown Filaments in the Past Four Solar Cycles

, 2018
Polar Crown Filaments (PCFs) form above the magnetic polarity inversion line, which separates the unipolar polar fields and the nearest dispersed fields from trailing part of active regions with opposite polarity.
Huang, Nengyi, Jing, Ju, Potzi, Werner, Wang, Haimin, Xu, Yan, Zhang, Hewei   +5 more
core   +1 more source

Advances in Electroactive Liquid Crystal Elastomers for Intelligent Robotics and Electronics

Advanced Robotics Research, EarlyView.
Electroactive liquid crystal elastomers (eLCEs) integrate molecular anisotropy with electrical functionality to enable programmable actuation and reconfigurable electronics. This review classifies eLCEs into robotic actuators and adaptive electronics, summarizes key actuation mechanisms, and highlights fabrication strategies that bridge materials to ...
Kavita Ramesh Rathod, Sena Chon, Jae Hyuk Hwang, Sung Hyuk Park, Woohwa Lee, Joonmyung Choi, Shi Hyeong Kim, Seung Hwan Ko, Changsoon Choi, Seon Jeong Kim, Dong‐Gyun Kim, Habeom Lee, Kyung Gook Cho, Woon‐Hong Yeo, Hyun Kim   +14 more
wiley   +1 more source

Filament Shape Versus Coronal Potential Magnetic Field Structure

, 2015
Solar filament shape in projection on disc depends on the structure of the coronal magnetic field. We calculate the position of polarity inversion lines (PILs) of coronal potential magnetic field at different heights above the photosphere, which compose ...
Filippov, Boris
core   +1 more source

Highlighting Recent Progress in Fiber Energy Harvesters: From Working Principles to Future Perspectives

Advanced Science, EarlyView.
Fiber energy harvesters offer unprecedented flexibility and a unique capacity for integration into commercial textiles, overcoming the limitations of bulky and rigid conventional devices. This review summarizes recent advances in fiber‐based energy harvesting and provides strategic outlooks to accelerate technological progress in the field. ABSTRACT As
Hanhwi Jang, Junseong Ahn, Yongrok Jeong, Sohee Jeon, Soon Hyoung Hwang, Min‐Wook Oh, Jun‐Ho Jeong, Inkyu Park, Yeon Sik Jung   +8 more
wiley   +1 more source

Sigmoid Formation, Filament Destabilization, and Initiation of Weak Flare by Tether Cutting Reconnection

The Astrophysical Journal
We have studied a B-class solar flare and an associated filament eruption through multiwavelength observations. The flare is triggered at 16:24 UT on 2017 June 7 from Active Region(AR) 12661, and it maximizes at 16:54 UT.
B. Suresh Babu, Pradeep Kayshap, Ashok Kumar Baral, Bhola N. Dwivedi   +3 more
doaj   +1 more source