Results 81 to 90 of about 890,794 (377)

The Music and The Astronomy [PDF]

open access: yes, 2010
What do Brian May (the Queen's lead guitarist), William Herschel and the Jupiter Symphony have in common? And a white dwarf, a piano and Lagartija Nick? At first glance, there is no connection between them, nor between Music and Astronomy. However, there are many revealing examples of musical Astronomy and astronomical Music.
I. Caballero   +2 more
openaire   +4 more sources

Phase Stability Study of the Marcasite‐Structure Solid Solutions (Fe,TM)Sb2 (TM = Cr, Ni) Synthesized via Combinatorial Co‐Deposition and Antimonization

open access: yesAdvanced Engineering Materials, EarlyView.
Phase diagrams of transition‐metal di‐pnictides have been efficiently and quickly explored by combinatorial deposition of transition‐metal films and subsequent antimonization enabling the study of compounds with volatile elements. In (Fe,Ni)Sb2 and the (Fe,Cr)Sb2 substitution series, phase separation has been evidenced between class‐A and B marcasites ...
Martin Kostka   +8 more
wiley   +1 more source

Crystal‐Symmetry‐Driven Build Orientation and its Impact on the {110}<100> Goss Texture Formation and Mechanical Properties of Laser Powder Bed Fused AISI 316L

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores a crystal‐symmetry‐based approach to optimize mechanical properties in laser powder bed fused AISI 316L with predominant {110}<100> Goss textures. By varying the build orientation, the microstructure can be tailored and the tensile properties optimized. The tilted build (T110) achieved the highest strength while preserving ductility,
Daniel Rainer   +7 more
wiley   +1 more source

Immanuel Kant’s Theory of Objects and Its Inherent Link to Natural Science

open access: yesOpen Philosophy, 2018
In the theoretical philosophy of Immanuel Kant, the term object has an extensive and far-reaching significance, and it can therefore be understood as a theory of objects.
Meer Rudolf
doaj   +1 more source

X- and Gamma-ray Studies of Cas A: Exposing Core Collapse to the Core

open access: yes, 2003
In this review of X-ray and gamma-ray observations of Cas A, evidence is discussed that Cas A was a Type Ib supernova of a Wolf-Rayet star with a main sequence mass between 22-25 Msun, that exploded after stellar wind loss had reduced its mass to ~6 Msun.
Arnett   +46 more
core   +1 more source

3D Printed Ultra‐Fast Plastic Scintillators Based on Perovskite‐Photocurable Polymer Composite

open access: yesAdvanced 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

Astronomy Communication and Popularization in the Brazilian Amazonia: The Astronomy Nucleus of the Federal University of Pará

open access: yesRevista Brasileira de Ensino de Física
The Astronomy Nucleus of the Federal University of Pará is a science center located in the Brazilian Amazonia, dedicated to spread knowledge on Astronomy to the general public. Over the last ten years, this science center has promoted several activities,
Jocasta Caldas   +2 more
doaj   +1 more source

Bernstein Operational Matrix Approach for Integro-Differential Equation Arising in Control theory

open access: yesNonlinear Engineering, 2014
The aim of this paper is to propose an efficient numerical method for solving the integro-differential equations arising in many braches of sciences using Bernstein polynomials.
Irfan Nagma, Kumar Sunil, Kapoor Saurabh
doaj   +1 more source

A Project-Based Instruction Approach to Improving Student Lunar Phases Learning Outcomes: A Quantitative Inquiry

open access: yesEducation 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

ErMn6Sn6: A Promising Kagome Antiferromagnetic Candidate for Room‐Temperature Nernst Effect‐Based Thermoelectrics

open access: yesAdvanced Functional Materials, EarlyView.
This work investigates the Nernst effect in the Kagome magnet ErMn6Sn6 which exhibits both topological and anomalous Nernst effects with the anomalous Nernst coefficient reaching 1.71 µV K⁻¹ at 300 K. This value surpasses that of most canted antiferromagnetic materials, making ErMn6Sn6 a promising candidate for advancing thermoelectric devices based on
Olajumoke Oluwatobiloba Emmanuel   +2 more
wiley   +1 more source

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