Results 41 to 50 of about 535,302 (175)

Ciencia de la Sostenibilidad: una revolución científica [PDF]

open access: yes, 2014
Ciencia de la Sostenibilidad: una revolución ...
Gil Pérez, Daniel   +1 more
core   +2 more sources

“The Future Is Ancestral”: The Environmental Cuir Utopias of Gabriela Cabezón Cámara

open access: yesFuture Humanities, Volume 4, Issue 1, May 2026.
ABSTRACT Argentinian author Gabriela Cabezón Cámara identifies as a “socio‐environmentalist and writer” and has been actively involved in the feminist movement #NiUnaMenos since 2015, alongside her growing engagement with environmental activism. She advocates for Indigenous land rights, water accessibility, and challenges offshore petroleum extraction ...
Victoria Jara
wiley   +1 more source

La Revolución Cubana [PDF]

open access: yes, 2019
La Revolución Cubana es un proceso político y social que surge como resultado de toda una serie de acontecimientos iniciados en la isla a finales del siglo XIX, se caracteriza por la lucha armada contra la dictadura de Fulgencio Batista que triunfa en ...
Pueyo San José, César
core  

Alhacén: una revolución óptica [PDF]

open access: yes, 2015
Alhacén es un punto de inflexión en la historia de la Óptica, uno de los nombres clave en el desarrollo de las teorías ópticas y un personaje de gran talla científica. Se pasa revista aquí a su figura, a sus principales aportaciones y la trascendencia de
González Cano, Agustín
core   +3 more sources

Articulating Sovereignties: Struggles for Subaltern Hegemony in Ecuador and Bolivia

open access: yesAntipode, Volume 58, Issue 3, May 2026.
ABSTRACT This article examines the cycles of articulation and disarticulation between working‐class and indigenous‐campesino movements in Ecuador and Bolivia. While the former advances national‐popular sovereignty, aiming to strengthen the state against imperialism, the latter defends community‐territorial sovereignty against internal colonialism ...
Diego Andreucci   +3 more
wiley   +1 more source

Comportamiento de algunos indicadores demográficos. Municipio Plaza de la Revolución. 2006

open access: yesRevista Habanera de Ciencias Médicas, 2008
Realizamos un estudio descriptivo retrospectivo sobre el comportamiento de algunos indicadores demográficos, fundamentalmente aquellos relacionados con la fecundidad, en el Municipio "Plaza de la Revolución" durante 2006.   Observamos un predominio de la
Joel Pagola Leyva   +2 more
doaj  

Image segmentation with Cellular Automata

open access: yesHeliyon
Image segmentation is a computer vision technique that involves dividing an image into distinct and meaningful regions or segments. The objective was to partition the image into areas that share similar visual characteristics.
Cesar Ascencio-Piña   +3 more
doaj   +1 more source

Evaluating Youth Participatory Action Research in the Americas: Comparative Insights on Empowerment, Methodologies, and Social Change

open access: yesJournal of Adolescence, Volume 98, Issue 3, Page 698-723, April 2026.
ABSTRACT Introduction Youth Participatory Action Research (YPAR) positions adolescents as co‐researchers to investigate and address social issues affecting their lives. While YPAR has gained global prominence, comparative research examining how it is conceptualized and practiced across regional contexts remains limited.
John Diaz   +5 more
wiley   +1 more source

Cellular Automata-Based Methods for the Construction of Mutually Unbiased Bases

open access: yesMathematics
Mutually unbiased bases (MUBs) are essential tools in quantum information science, with applications in state tomography, quantum cryptography, and quantum error correction.
Andrés García Sandoval   +2 more
doaj   +1 more source

Evaluación experimental del caminado en tiempo real de un robot bípedo de 5 g.d.l. con marcha basada en movimientos cicloidales

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2015
Resumen: En este artículo se presentan los resultados de las pruebas de caminado realizadas con el robot bípedo de 5 grados de libertad (g.d.l.) desarrollado en el Instituto Tecnológico de la Laguna (ITLag).
Víctor De-León-Gómez   +2 more
doaj   +1 more source

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