Results 21 to 30 of about 3,960 (140)

Negative Stiffness Induced and Controlled by Constriction

physica status solidi (b), EarlyView.
Structures with negative stiffness can be stabilized by constriction of external displacement. Furthermore, constriction can make a conventional positive stiffness material exhibit negative stiffness, either bidirectional or unidirectional (shown in the figure).
Elena Pasternak, Arcady V. Dyskin
wiley   +1 more source

Soil wetting and drying processes influence stone artefact distribution in clay‐rich soils: A case study from Middle Gidley Island in Murujuga, northwest Western Australia

Archaeometry, EarlyView.
Abstract Soils that contain swelling clay minerals (e.g., montmorillonite) expand and contract during wetting and drying, causing movement within the soil profile. This process, known as argilliturbation, can alter artefact distributions, destroy stratigraphy and complicate the interpretation of archaeological deposits.
Caroline Mather, Matthias Leopold, Kaitlin Sullivan, Kane Ditchfield, Tom Horrocks, Luke Gliganic, Emma Beckett, Diana Patalwala, Emielda Yusiharni, Michael Smirk, William Hiscock, Jo McDonald   +11 more
wiley   +1 more source

Index to NASA Tech Briefs, 1975 [PDF]

, 1976
This index contains abstracts and four indexes--subject, personal author, originating Center, and Tech Brief number--for 1975 Tech ...

core   +1 more source

EVALUATION OF A COUNTER-ROTATING ELECTRIC DUCTED FAN [PDF]

, 2022
The research and analysis presented in this study quantifies the benefits of a dual-stage counter-rotating electric ducted fan (EDF) that is optimized for high-speed operations.
Clay, Christopher S.
core  

No Remedy: Injustice and Constrained Citizenship in Indonesia's Plantation Zone

Journal of Agrarian Change, EarlyView.
ABSTRACT This contribution to the special issue examines a constrained version of citizenship in Indonesia's plantation zone. When corporations take hold of village land, residents experience devastating dispossession and a profound sense of injustice, yet they lack effective channels through which to claim rights as citizens or secure remedy from the ...
Tania Murray Li, Pujo Semedi
wiley   +1 more source

Recent Advances and Opportunities in Nanomaterial‐Based Absorption‐Dominant High Green Index Electromagnetic Interference Shields

Small Structures, Volume 7, Issue 2, February 2026.
An in‐depth review of the nanomaterial‐based electromagnetic interference shields, which are absorption‐dominant and have a high green index. The design strategies of absorption‐dominant shields are analyzed, and current challenges and potential pathways to guide future advancements and practical implementation are outlined.
Sanjoy Sur Roy, Koushik Ghosh, M. Meyyappan, P. K. Giri   +3 more
wiley   +1 more source

Index to 1981 NASA Tech Briefs, volume 6, numbers 1-4 [PDF]

, 1986
Short announcements of new technology derived from the R&D activities of NASA are presented. These briefs emphasize information considered likely to be transferrable across industrial, regional, or disciplinary lines and are issued to encourage ...

core   +1 more source

Reconstructing Magnetotail Reconnection Events Using Data Mining is Feasible and Repeatable

Journal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 1, February 2026.
Abstract Recently, Stephens et al. (2023), https://doi.org/10.1029/2022ja031066 utilized a data mining (DM) algorithm, applied to 26 years of magnetospheric magnetometer observations coupled with a flexible formulation of the magnetospheric magnetic field, to reconstruct the global configuration of the magnetotail when the Magnetospheric MultiScale ...
G. K. Stephens, R. S. Weigel, M. I. Sitnov, N. A. Tsyganenko   +3 more
wiley   +1 more source

Physics‐Informed, Differentiable Hydrologic Models for Capturing Unseen Extreme Events

Water Resources Research, Volume 62, Issue 2, February 2026.
Abstract Recently, a hybrid framework combining machine learning (ML) and process‐based equations, termed differentiable modeling, has shown comparable accuracy to pure ML models while offering enhanced interpretability and spatial generalizability. However, it remained unclear how well hybrid models generalize to extreme floods outside of the range of
Yalan Song, Kamlesh Sawadekar, Jonathan M. Frame, Ming Pan, Martyn P. Clark, Wouter J. M. Knoben, Andrew W. Wood, Kathryn E. Lawson, Trupesh Patel, Chaopeng Shen   +9 more
wiley   +1 more source

Welfare assessment of turkeys (Meleagris gallopavo gallopavo) on farm

EFSA Journal, Volume 24, Issue 2, February 2026.
Abstract This Scientific Opinion assesses the welfare of turkeys of all ages (Meleagris gallopavo gallopavo) on farm in relation to the type and condition of the litter, type and availability of enrichment (including covered veranda and outdoor range), space allowance, concentrations of ammonia and carbon dioxide, effective environmental temperature ...
EFSA Panel Animal Health and Animal Welfare (AHAW), Søren Saxmose Nielsen, Julio Alvarez, Anette Boklund, Sabine Dippel, Fernanda Dorea, Jordi Figuerola, Mette S. Herskin, Virginie Michel, Miguel Angel Miranda Chueca, Eleonora Nannoni, Romolo Nonno, | Karl Stahl, Jutta Berk, Joanna Marchewka, Nienke van Staaveren, Oana Maria Balmos, Chiara Fabris, Olaf Mosbach‐Schulz, Yves Van der Stede, Marika Vitali, Cristina Rojo Gimeno, Antonio Velarde, Anja Brinch Riber   +23 more
wiley   +1 more source