Kovacs-like memory effect mediated fiber Bragg grating: resembling a silica quipu [PDF]
Nature CommunicationsIn antiquity, civilizations employed stone carvings and knotted quipu cords for information preservation. Modern telecommunications rely on optical fibers - silica glass strands engineered for light transmission - yet their capacity as archival media ...
Bai-Ou Guan, Yang Ran, Qiaochu Yang
exaly +3 more sources
Robust Metabolite Quantification from J-Compensated 2D 1H-13C-HSQC Experiments [PDF]
Metabolites, 2020 The spectral resolution of 2D 1H-13C heteronuclear single quantum coherence (1H-13C-HSQC) nuclear magnetic resonance (NMR) spectra facilitates both metabolite identification and quantification in nuclear magnetic resonance-based metabolomics.
Alexander Weitzel +3 more
doaj +2 more sources
Mitigation of Drought Stress for Quinoa (Chenopodium quinoa Willd.) Varieties Using Woodchip Biochar-Amended Soil [PDF]
PlantsDrought stress deteriorates agro-ecosystems and poses a significant threat to crop productivity and food security. Soil amended with biochar has been suggested to mitigate water stress, but there is limited knowledge about how biochar affects the ...
Muhammad Zubair Akram +4 more
doaj +2 more sources
De l’alphabet à l’articulation. L’écriture dans la théorie du langage de Wilhelm von Humboldt
Histoire Épistémologie Langage, 2021 In this article, which comes with the translation of Humboldt’s memoir Ueber die Buchstabenschrift und ihren Zusammenhang mit dem Sprachbau, I will start by contextualizing this essay in Humboldt’s work and in a broader framework of contemporary studies ...
Lucie Bourassa
doaj +1 more source
Escrito en la neblina, tejido con el cuerpo: el impulso textil en una instalación de Cecilia Vicuña
Hart, 2020 La obra artística y poética de Cecilia Vicuña se ha caracterizado por encarnar el acto de tejer en distintos medios, volviéndolo un acto político metafórico y tangible de resistencia.
Carla Macchiavello
doaj +1 more source
Las Pléyades y el calendario agrario y ritual de los incas
Revista Colombiana de Antropología, 2023 Este artículo de revisión está dedicado a la relación de las Pléyades con el calendario agrario y ritual de los incas. Para su elaboración, se revisaron 86 documentos de carácter científico almacenados en diferentes bases de datos.
Armando José Quijano Vodniza
doaj +1 more source
Editorial #23. Digital Memories. What future for the past? What past for the future? [PDF]
Pad, 2022 For this first PAD journal issue dedicated to the theme of Digital Memories, we have chosen, as the opening image, a quipu (or khipu). The image represents the artistic interpretation made by Cecilia Vicuña on the occasion of her exhibition, still in ...
Letizia Bollini, Francesco E. Guida
doaj
Aguas y ríos: Activismo, descolonización y naturaleza en Cecilia Vicuña y Ana Tijoux
Latin American Research Review, 2020 Two recent productions of Vicuña and Tijoux are analyzed in this article: the Quipu Mapocho installation (2017) and the song “Río abajo” (2014), respectively.
María José Barros
doaj +1 more source
História e historiografia das ciências latino-americanas
Revista Brasileira de História da Ciência, 2021 O presente artigo analisa a constituição do campo de estudos históricos das ciências e das tecnologias no Brasil e na América Latina. O objetivo é percorrer uma publicação periódica específica da área, avaliando seu impacto para os estudos de ciência e ...
Márcia Regina Barros da Silva
doaj +1 more source
The History of Science in Latin America in its own terms
Revista Portuguesa de História, 2020 This article conducts a comparative analysis of two journals: Quipu, created in 1984 by the Latin American Society for the History of Sciences and Technology in Mexico, published until 1994 and shortly relived between 1999 and 2000, and the Brazilian ...
Marcia Regina Barros da Silva
doaj +1 more source