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Learning, economies of scale, and knowledge gap effects on power generation technology cost improvements.
iScience
January 2025
International Institute for Applied Systems Analysis, Laxenburg, Lower Austria, Austria.
Cost reductions are essential for accelerating clean technology deployment. Because multiple factors influence costs, traditional one-factor learning models, solely relying on cumulative installed capacity as an explanatory variable, may oversimplify cost dynamics. In this study, we disentangle learning and economies of scale effects at unit and project levels and introduce a knowledge gap concept to quantify rapid technological change's impact on costs.
View Article and Find Full Text PDFDual opposing quadrature-PT symmetry.
iScience
January 2025
Department of Electrical and Computering Engineering, Binghamton University, Binghamton, NY 13902, USA.
Our recent research on type-I quadrature parity-time (PT) symmetry, utilizing an open twin-beam system, not only enables observing genuine quantum photonic PT symmetry amid phase-sensitive amplification (PSA) and loss in the presence of Langevin noise but also reveals an additional classical-to-quantum (C2Q) transition in noise fluctuations. In contrast to the previous setup, our exploration of an alternative system assuming no loss involves a type-II PSA-only scheme. This scheme facilitates dual opposing quadrature-PT symmetry, offering a comprehensive and complementary comprehension of C2Q transitions and PT-enhanced quantum sensing with optimal performance in the symmetry unbroken region.
View Article and Find Full Text PDFPerceptions of final-year medical students and interns toward pursuing a career in critical care medicine.
Front Med (Lausanne)
January 2025
College of Medicine, Jazan University, Jazan, Saudi Arabia.
Background: Critical care medicine (CCM) faces challenges in attracting new physicians due to its demanding nature. Understanding medical students' and interns' perceptions of CCM is essential to address physician shortages and improve medical training.
Objective: To evaluate the factors influencing specialty selection and explore perceptions of final-year medical students and interns toward CCM at Jazan University.
Drought drives selection for earlier flowering, while pollinators drive selection for larger flowers in annual .
AoB Plants
January 2025
Department of Biology, 10 Bailey Drive, University of New Brunswick, Fredericton, NB E3B 5A3, Canada.
Drought-induced changes in floral traits can disrupt plant-pollinator interactions, influencing pollination and reproductive success. These phenotypic changes likely also affect natural selection on floral traits, yet phenotypic selection studies manipulating drought remain rare. We studied how drought impacts selection to understand the potential evolutionary consequences of drought on floral traits.
View Article and Find Full Text PDFSudden cardiac death associated with fatty liver disease.
Int J Cardiol Heart Vasc
February 2025
Center for Cardiac Arrest Prevention, Department of Cardiology, Smidt Heart Institute, Cedars-Sinai Health System, Los Angeles, CA, USA.
Background: Fatty liver disease or steatotic liver disease (SLD) affects 25% of the global population and has been associated with heart disease. However, there is a lack of postmortem studies in the context of sudden cardiac death (SCD).
Objectives: To investigate the relationship between SLD and SCD.
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