Results 91 to 100 of about 1,440,766 (390)

Navigating the bio-politics of childhood [PDF]

open access: yes, 2011
Childhood research has long shared a bio-political terrain with state agencies in which children figure primarily as ‘human futures’. In the 20th century bio-social dualism helped to make that terrain navigable by researchers, but, as life processes ...
Lee, Nick, Motzkau, J.
core   +3 more sources

Stretchable Energy Storage with Eutectic Gallium Indium Alloy

open access: yesAdvanced Energy Materials, Volume 15, Issue 11, March 18, 2025.
A highly stretchable liquid metal‐based electrode is developed via a one‐step process, retaining conductivity and capacitance after mechanical deformation up to 900% strain. The stretchable all‐solid‐state device provides a areal energy density of 43 µWh cm⁻2 after 150% strain.
Adit Gupta   +6 more
wiley   +1 more source

Method and Meaning: Selections from the Gettysburg College Collection

open access: yes, 2014
What is art historical study and how it should be carried out are fundamental questions the exhibition Method and Meaning: Selections from the Gettysburg College Collection intends to answer.
Callahan, Shannon   +7 more
core  

Organic Fruit Production in Europe [PDF]

open access: yes, 2002
PART I: SHORT HISTORY OF ORGANIC FARMING The organic fruit production in Europe is not only a matter of statistics, regulations and tables but also has a meaningful historical background.
Weibel, Franco
core  

Exact solutions for pairing interactions [PDF]

open access: yes, 2012
The exact solution of the BCS pairing Hamiltonian was found by Richardson in 1963. While little attention was paid to this exactly solvable model in the remainder of the 20th century, there was a burst of work at the beginning of this century focusing on
Dukelsky, J., Pittel, S.
core   +2 more sources

Harnessing Solar Energy for Ammonia Synthesis from Nitrogen and Seawater Using Oxynitride Semiconductors

open access: yesAdvanced Energy Materials, EarlyView.
In this work, the challenging green ammonia evolution is addressed by developing a photothermal system that utilizes nitrogen and natural seawater under simulated solar irradiation, employing ruthenium‐doped barium tantalum oxynitride semiconductors.
Yiyang Li   +4 more
wiley   +1 more source

Un periodo crucial en la construcción del medievalismo en Cataluña: de "La Historia de Cataluña y la Corona de Aragón" de Víctor Baklaguer (1863, a "Los orígenes de la revolución catalana" de Jaime Vicens Vives (1957) [PDF]

open access: yes, 2006
Study of the evolution of the Catalan medievalism, from the origin in the Renaisance cultural movement, during the 19th century, to Jaume Vicens Vives in de half 20th century.
Fernández Trabal, Josep
core  

Economic Viability of Photovoltaic Systems Providing Frequency Containment Reserve

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This article investigates the feasibility of photovoltaic (PV) systems providing frequency containment reserve (FCR) in the Netherlands. The economic analysis demonstrates that a PV plant can profitably participate in FCR without battery storage by maintaining an active power reserve.
Emil Petkovski   +3 more
wiley   +1 more source

The Swedish drug problem: Conceptual understanding and problem handling, 1839–2011

open access: yesNordic Studies on Alcohol and Drugs, 2014
AIM - To analyse the Swedish drug question by examining dominant concepts used to portray the problem in the years 1839-2011. Theoretically, we understand these concepts as ideological tools that shape the political initiatives and administrative efforts
Edman Johan, Olsson Börje
doaj   +1 more source

Digital Agriculture: Past, Present, and Future

open access: yesAdvanced Intelligent Discovery, EarlyView.
Digital agriculture integrates Internet of Things, artificial intelligence, and blockchain to enhance efficiency and sustainability in farming. This review outlines its evolution, current applications, and future directions, highlighting both technological advances and key challenges for global implementation.
Xiaoding Wang   +3 more
wiley   +1 more source

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