Results 21 to 30 of about 125,155 (259)
Photonic Integrated Circuits for Microwave Astronomy
Inventions, 2023 One of the main objectives of cosmology is the measurement of the Cosmic Microwave Background (CMB) polarization and, in particular, the so-called B-modes, which could demonstrate the existence of the primordial gravitational waves generated at the early
Guillermo Pascual-Cisneros +2 more
doaj +1 more source
Acta Universitatis Carolinae Geographica, 2013 The paper is concerned with the life of Antonín Strnad (1746–1799), who became the outstanding representative of mathematics, astronomy and physical geography at the Artistic Faculty of Charles University in Prague.
Eva Novotná, Jan Kalvoda
doaj +1 more source
Indigenous astronomies and progress in modern astronomy [PDF]
Proceedings of Accelerating the Rate of Astronomical Discovery — PoS(sps5), 2010 18 pages; In Ray Norris and Clive Ruggles (eds), Accelerating the Rate of Astronomical Discovery (Special Session 5, IAU General Assembly, August 11-14 2009, Rio de Janeiro, Brazil).
openaire +2 more sources
Sensors, 2015 This paper presents preliminary polarization measurements and systematic-error characterization of the Thirty Gigahertz Instrument receiver developed for the QUIJOTE experiment.
Francisco J. Casas +11 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Triphasic BiFeO3–PbZr0.58Ti0.42O3–MnFe2O4 composites exhibit enhanced ferroelectric and magnetic behavior, achieving 70.76% energy‐storage efficiency and improved polarization switching. The coupling between ferroelectric and magnetic phases enables multifunctional performance, making these composites promising candidates for next‐generation energy ...
Hassan Raza Khan +7 more
wiley +1 more source
Astronomy identity framework for undergraduate students and researchers
Physical Review Physics Education ResearchThis research was a qualitative transcendental phenomenological exploration of astronomy identity formation among astronomy majors and physics majors engaged in astronomy research.
Zachary Richards, Angela M. Kelly
doaj +1 more source
3D Printed Ultra‐Fast Plastic Scintillators Based on Perovskite‐Photocurable Polymer Composite
Advanced Functional Materials, Volume 35, Issue 12, March 18, 2025.The demand for radiation detection is increasing in a number of fields, including high‐energy physics, medical imaging, and homeland security. This study serves to demonstrate the potential for the fabrication of fast perovskite‐based scintillators with complex shapes via stereolithographic additive manufacturing, representing a new path toward the ...
Antonella Giuri +16 more
wiley +1 more source
Advanced Functional Materials, EarlyView.A lack of standard approaches for testing and reporting the performance of metal halide perovskites and organic semiconductor radiation detectors has resulted in inconsistent interpretation of performance parameters, impeding progress in the field. This Perspective recommends key metrics and experimental details, which are suggested for reporting in ...
Jessie A. Posar +8 more
wiley +1 more source
Education Sciences, 2022 We investigated how students’ lunar phases learning outcomes were affected by student and teacher demographic characteristics (gender, race/ethnicity, spatial thinking ability, and content knowledge).
Merryn Cole +2 more
doaj +1 more source