Results 231 to 240 of about 20,968 (306)

Time‐Efficient, Accurate, and Experimentally Grounded Optical Modeling of Multiscale‐Textured Thin‐Film Solar Cells

open access: yesGlobal Challenges, Volume 10, Issue 1, January 2026.
A time‐efficient and accurate optical modeling framework combines ray tracing with measured refractive index (n) and extinction coefficient (k) data, together with atomic force microscopy (AFM) surface profiles, to capture multiscale textures in thin‐film solar cells.
Federica Saitta   +5 more
wiley   +1 more source

Entorhinal Silencing Reveals Energy Cascade Organization of Hippocampal Oscillations

open access: yesHippocampus, Volume 36, Issue 1, January 2026.
ABSTRACT Hippocampal theta and gamma rhythms are often viewed as discrete channels supporting distinct cognitive operations. In particular, “gamma multiplexing” models propose that slow and fast gamma bands independently encode separate information streams or memory processes.
Ben Zhao   +3 more
wiley   +1 more source

Ultrafast lasers for attosecond science. [PDF]

open access: yesLight Sci Appl
Hu X, Mak KF, Zhang J, Wei Z, Krausz F.
europepmc   +1 more source

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

Enhanced Rabi Splitting of Exciton‐Polaritons and Plasmon‐Polaritons in Lithium Niobate Metasurface

open access: yesLaser &Photonics Reviews, Volume 20, Issue 1, 8 January 2026.
This study presents an ultrathin lithium niobate metasurface capable of inducing highly sensitive Fano‐shaped resonances, enabling strong coupling with TMDC monolayers and plasmonic metamaterials/metasurfaces. Adjustable Q‐factors lead to controllable coupling strengths, achieving substantial Rabi splitting.
Andergachew Mekonnen Berhe   +4 more
wiley   +1 more source

Transient ice ring observed during the 15 January 2022 eruption of Hunga volcano. [PDF]

open access: yesCommun Earth Environ
Prata AT   +3 more
europepmc   +1 more source

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