Results 91 to 100 of about 239,749 (284)

Transport Resistance Dominates the Fill Factor Losses in Record Organic Solar Cells

open access: yesAdvanced Energy Materials, EarlyView.
Organic photovoltaics are a promising solar cell technology, but even the record devices with 20% efficiency have significant fill factor losses due to low active layer conductivities. In this Perspective, the authors describe the origin of these losses, discuss experimental methods for their quantification, and explain how to minimize them to optimize
Chen Wang   +6 more
wiley   +1 more source

From the Spherical Earth Model to the Globe: The Effectiveness of a Planetary Model-Building Intervention

open access: yesEducation Sciences
The shape of the Earth is a fundamental concept that students need to learn in astronomy education. This paper reports the findings of a study that confirms the effectiveness of an intervention involving the construction of a model of the Earth prior to ...
Jan Amos Jelinek
doaj   +1 more source

RECENT DEVELOPMENTS IN ULTRA-HIGH ENERGY NEUTRINO ASTRONOMY

open access: yesActa Polytechnica, 2013
We outline the current situation in ultrahigh energy (UHE) cosmic ray physics, pointing out the remaining problems, in particular the puzzle concerning the origin of the primary radiation and the role of neutrino astronomy for locating the sources ...
Peter K. F. Grieder
doaj   +1 more source

Artificial Intelligences: A Bridge Toward Diverse Intelligence and Humanity's Future

open access: yesAdvanced Intelligent Systems, EarlyView.
Many discussions of artificial intelligence fail to address deeper questions being raised by advances in developmental biology, neuroscience, bioengineering, and philosophy of mind. Novel beings, including technologically and biologically augmented humans, engineered life forms, hybrots, and others, require tools of the emerging field of diverse ...
Michael Levin
wiley   +1 more source

The importance of the cognitive-linguistic skills related to the study of the Astronomy from the teacher’s view

open access: yesEnseñanza de las Ciencias, 2014
The aim of this study is to find out how teachers of the last years of Primary and the first years of Secondary evaluate and what difficulties they find in relation to a series of cognitive-linguistic skills (description of facts,…). It also aims to find
Susana García Barros   +1 more
doaj   +1 more source

Training of Instrumentalists and Development of New Technologies on SOFIA

open access: yes, 2009
This white paper is submitted to the Astronomy and Astrophysics 2010 Decadal Survey (Astro2010)1 Committee on the State of the Profession to emphasize the potential of the Stratospheric Observatory for Infrared Astronomy (SOFIA) to contribute to the ...
Allamandola, Louis J.   +49 more
core   +1 more source

A Multifaceted Spatial Analysis of Tomb Distribution in Blemmyan Berenike (Eastern Desert of Egypt)

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT This study examines the spatial and visual organisation of tombs in the post–Roman Berenike located in Egypt's Eastern Desert. Archaeological surveys, remote sensing, geophysical methods, excavations and GIS‐based analyses are used for a comprehensive understanding of the spatial patterns and cultural significance behind the positions and ...
Mariusz Gwiazda   +4 more
wiley   +1 more source

The woman researcher's tale: A review of bibliometric methods and results for studying gender in science

open access: yesJournal of the Association for Information Science and Technology, EarlyView.
Abstract There has been a notable increase in bibliometric research studying gender in academia. This narrative review aims to organize and synthesize this extensive body of work to uncover new insights into gender disparities in science. We begin by analyzing key methodological elements, including gender assignment techniques, units of analysis, and ...
Elvira González‐Salmón   +2 more
wiley   +1 more source

Usage of the term provenance in LIS literature: An Annual Review of Information Science and Technology (ARIST) paper

open access: yesJournal of the Association for Information Science and Technology, EarlyView.
Abstract Provenance is the story of how something has come to be. In this paper, we provide a systematic literature review to categorize the various notions of provenance in Information Sciences. The goal of this review is to paint a broader picture of the multiple uses of provenance at play and to enhance our understanding of the importance of ...
Rhiannon Bettivia   +2 more
wiley   +1 more source

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