Results 121 to 130 of about 261,856 (238)

The SKAO Pulsar Timing Array

The Open Journal of Astrophysics
Pulsar timing arrays (PTAs) are ensembles of millisecond pulsars observed for years to decades. The primary goal of PTAs is to study gravitational-wave astronomy at nanohertz frequencies, with secondary goals of undertaking other fundamental tests of ...
Ryan M. Shannon, N. D. Ramesh Bhat, Aurélien Chalumeau, Siyuan Chen, H. Thankful Cromartie, A. Gopukumar, Kathrin Grunthal, Jeffrey S. Hazboun, Francesco Iraci, Bhal Chandra Joshi, Ryo Kato, MIchael J. Keith, Kejia Lee, Kuo Liu, Hannah Middleton, Matthew T. Miles, Chiara M. F. Mingarelli, Adtiya Parthasarathy, Daniel J. Reardon, Golam M. Shaifullah, Keitaro Takahashi, Caterina Tiburzi, Riccardo Truant, Xiao Xue, Andrew Zic, SKA Pulsar Science Working Group   +25 more
doaj   +1 more source

‘Mere Amateurs’? Elementary Teachers and the Making of Scientific Authority in the British Child Study Movement

History, EarlyView.
Abstract This article offers new perspectives on the relationship between elementary teaching, scientific expertise and the professionalization of the human sciences. Previous scholarship has demonstrated the ready existence of ‘amateur’ science societies in the nineteenth century where cross‐class exchanges were common.
Julia Gustavsson
wiley   +1 more source

Hurricane‐induced risk contagion in commercial real estate: Evidence from Hurricane Sandy

Real Estate Economics, EarlyView.
Abstract This study examines how hurricane‐induced destruction affects the prices of nearby undamaged commercial real estate properties, using Hurricane Sandy as a natural experiment. Using Real Capital Analytics transaction records spatially merged with Federal Emergency Management Agency building‐level damage data, we empirically employ a difference ...
Lu Fang, Lingxiao Li, David Scofield, Abdullah Yavas   +3 more
wiley   +1 more source

China's Strategic Approach to Tech Diplomacy in a Time of Global Uncertainty

Global Policy, EarlyView.
ABSTRACT In the wake of U.S.‐China technological competition and the COVID‐19 pandemic, “tech diplomacy” has gained prominence in Chinese political and academic discourse. This concept is often ideologically framed to critique Western hegemonic narratives perceived as hindering China's technological advancement.
Zhao Alexandre Huang, Xiang Meng
wiley   +1 more source

Shedding light on the environmental efficiency of the public light service: minimising light pollution through the global Malmquist–Luenberger index

International Transactions in Operational Research, EarlyView.
Abstract The search for evidence in public management and the implementation of good management by public bodies is becoming increasingly important, and the principles of effectiveness and efficiency should be reinforced. Therefore, this paper aims to analyse the change in efficiency in the provision of public lighting services by local governments ...
Pablo Povedano‐Fernández, Gemma Pérez‐López, José Luis Zafra‐Gómez   +2 more
wiley   +1 more source

Systemic effects of sunlight: 10‐year review of cardiovascular, infection and cancer outcomes

Journal of the European Academy of Dermatology and Venereology, EarlyView.
This review highlights the systemic effects of sunlight and ultraviolet radiation. While UV radiation exposure has known cutaneous risks including photoaging and skin cancer, evidence suggests potential associations with reduced all‐cause mortality, improved infectious disease outcomes and reduced blood pressure.
Jasira A. Ziglar, Rebecca L. Quiñonez, Lydiah Fridah M. Mpyisi, Indermeet Kohli, Yolanda Gilaberte, Henry W. Lim   +5 more
wiley   +1 more source

Magnetic activity and spectral behavior of RS CVn binary system (IM Pegasi) in the ultraviolet. [PDF]

Sci Rep
Sanad MR, Rahman HIA, Badawy WA.
europepmc   +1 more source

The Development and Validation of Models of Risk for Behaviours That Challenge in Children With Developmental Disabilities: A Novel Machine Learning Approach

Journal of Intellectual Disability Research, EarlyView.
ABSTRACT Background Children with developmental disabilities show a high prevalence of behaviours that challenge (BtC). Thus, harnessing known risk markers to target early intervention to children at the greatest risk of BtC is essential. In this study, machine learning techniques were used to develop prediction models of risk (no, low and high ...
Laura Groves, Guy Davies, Chris Oliver, Debbie Allen, Charlie Bamford, Louise Bell, Chloe Brown, Vivian Cooper, Louise Daniel, Jo Garstang, Chris Jones, Joseph P. McCleery, Ashley Liew, John Rose, Doug Simkiss, Catherine Steenfeldt‐Kristensen, Alice Welham, Caroline Richards   +17 more
wiley   +1 more source

Exploring central star variability of planetary nebulae using gaia photometry. [PDF]

Sci Rep
NegmEldin MA, Ali A, Hamid GM, Essam A.
europepmc   +1 more source

On optimisation of Paganin's method for propagation‐based X‐ray phase‐contrast imaging and tomography

Journal of Microscopy, EarlyView.
Abstract Paganin's method for image reconstruction in propagation‐based phase‐contrast X‐ray imaging and tomography has enjoyed broad acceptance in recent years, with over one thousand publications citing its use. The present paper discusses approaches to optimisation of the method with respect to simple image quality metrics, such as signal‐to‐noise ...
Timur E. Gureyev, David M. Paganin, Ashkan Pakzad, Harry M. Quiney   +3 more
wiley   +1 more source