Results 191 to 200 of about 174,204 (270)

Design, Analysis, and Manufacturing of Diffractive Achromatic Optical Systems. [PDF]

Micromachines (Basel)
Zheng Y, Du J, Lei B, Bian J, Wang L, Fan B.   +5 more
europepmc   +1 more source

Solar Soft X‐Ray Proxy Derived From Observed Auger Photoelectrons by MGS and a 1999–2006 Flare Catalog at Mars

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract This study uses a novel approach to infer the solar soft X‐ray (SXR) irradiance from Auger photoelectron fluxes. Solar SXR irradiance is highly variable, particularly during solar flares. Solar SXR photons at ∼< ${\sim} < $2.5 nm produce oxygen Auger photoelectrons by photoionizing atmospheric constituents. More specifically, we derive the fit
Shaosui Xu, Edward M. Thiemann, David L. Mitchell, Phillip C. Chamberlin   +3 more
wiley   +1 more source

Models and observational predictions of dust traps in protoplanetary discs. [PDF]

Astrophys Space Sci
Pinilla P.
europepmc   +1 more source

Telescope

The Encyclopedia of the History of Science, 2021
openaire   +1 more source

The Cycles and Dynamical Properties of Convective Outbreaks in Jupiter's Highest Speed Jet From a 55‐Year Study

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Jupiter's most intense jet at planetographic latitude 23.7°N experiences vigorous planetary‐scale disturbances. The onset consists of the outbreak of 1–3 bright clouds of convective origin developing turbulent plumes. Observed events between 1970 and 2025 shows a cycle of activity with a period in the range of 3.8–5.1 yrs interrupted between ...
Agustín Sánchez‐Lavega, José Félix Rojas, Jon Legarreta, Alberto Mendi‐Martos, Ricardo Hueso, Peio Iñurrigarro, Amy A. Simon, Michael H. Wong, Liming Li   +8 more
wiley   +1 more source

Dual Co/Photoredox‐Catalyzed Regio‐ and Stereoselective Synthesis of Highly Functional 1,3‐Dienes

Angewandte Chemie, Volume 138, Issue 6, 2 February 2026.
A generic regio‐ and stereoselective protocol for the synthesis of functionalized 1,3‐dienes is presented that is facilitated via a dual Co/photoredox catalyst system while using modular 1,3‐enynes and unsaturated carbonyl derivatives as substrates. Key to the success of this transformation is the generation of a Co(III)H species that adds to the 1,3 ...
Balázs L. Tóth, Alejandro Delgado, Debasish Ghorai, Diego Meneses, Aimara García‐Camacho, Maria Vicent‐Morales, Jordi Benet‐Buchholz, Ignacio Funes‐Ardoiz, Arjan W. Kleij   +8 more
wiley   +2 more sources

Metasurfaces with Freely Varying Height in the Visible Using Grayscale Lithography. [PDF]

Nano Lett
Shanks DN, Wenger T, Muller RE, Wallace JK, Wilson DW.   +4 more
europepmc   +1 more source

Seizing opportunities and navigating the challenges of spaceflight research as an early career researcher

Experimental Physiology, EarlyView.
Colleen S. Deane
wiley   +1 more source

Effects of the May 2024 Solar Storm on the Earth's Radiation Belts Observed by CALET on the International Space Station

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract In May 2024, extraordinary solar activity triggered a powerful solar storm, impacting Earth and producing the extreme geomagnetic storm of 10‐11 May, the most intense since 2003. This had significant effects on the magnetosphere, leading to the creation of a new long‐lasting component of relativistic electrons and to flux changes in the South ...
A. Ficklin, A. Bruno, L. Blum, N. Cannady, T. G. Guzik, R. Kataoka, K. Munakata, Y. Akaike, S. Torii   +8 more
wiley   +1 more source

Duodenal Intussusception in an Adult With Situs Inversus Totalis. [PDF]

Cureus
Chien D, Rasheed I.
europepmc   +1 more source