Results 51 to 60 of about 29,238 (201)

Sobre la activación del medio ambiente: las primeras piezas de gravedad y magnetismo de Juan Navarro Baldeweg

open access: yesArchivo Español de Arte, 2022
En el año 1973, Juan Navarro Baldeweg realizará una de sus obras más emblemáticas, La columna y el peso. Se trata de una fotografía tomada en el vestíbulo de la Escuela de Arquitectura y Planeamiento del Massachusetts Institute of Technology (MIT ...
Covadonga Lorenzo Cueva
doaj   +1 more source

Students frequently ask: ‘Yes but...What is the utility of physics?’ [PDF]

open access: yes, 2015
Two Teaching Innovation Projects were carried out in the framework of the subjects ‘Physics I’ and ‘Physics II’ for different Degrees on Engineering at the Engineering High School of the University of Cadiz, Spain, during the 2013-2014 course. The aim of
Cárdenas Leal, José Luis   +6 more
core   +1 more source

Photodiodes based in La0.7Sr0.3MnO3/single layer MoS2 hybrid vertical heterostructures [PDF]

open access: yes, 2017
The fabrication of artificial materials by stacking of individual two-dimensional (2D) materials is amongst one of the most promising research avenues in the field of 2D materials.
Agraït, Nicolás   +11 more
core   +3 more sources

Analysis of Paleointensity Results Under Different Interpretation Approaches: A Case Study on the Korkhi Volcanic Sequence (Lesser Caucasus, Georgia)

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 4, April 2025.
Abstract In this study we focus on the investigation of the absolute intensity records of two volcanic subsequences, aiming to enrich the global paleointensity database for the last 5 Ma, which currently shows important dispersion. We present new absolute paleointensities obtained from the Plio‐Pleistocene volcanic sequence of Korkhi (Djavakheti ...
Elisa M. Sánchez‐Moreno   +10 more
wiley   +1 more source

Anomalies in the magnetostrictive modulation of love surface acoustic waves

open access: yesAIP Advances
A magnetic surface acoustic wave (SAW) sensor is built by growing a 100 nm galfenol (Fe72Ga28) film by sputtering between the interdigitated transducers of a SAW delay line.
J. D. Aguilera   +10 more
doaj   +1 more source

Contaminación ambiental por ondas electromagnéticas no ionizantes producto de tecnologías inalámbricas en ambientes al aire libre

open access: yesMutis, 2018
Este artículo aborda la contaminación ambiental ocasionada por ondas electromagnéticas no ionizantes producto de tecnologías inalámbricas en ambientes al aire libre a través del registro de indicadores como intensidad de campo eléctrico, intensidad de ...
Óscar Gerardo Barrera Monsalve   +1 more
doaj   +1 more source

Émile Ovide Joseph Mathias. Thermodynamics of saturated fluids

open access: yesEducación Química, 2018
Émile Ovide Joseph Mathias (1861-1942) fue un científico multifacético que comenzó sus actividades en el campo de la termodinámica y luego se dedicó al magnetismo terrestre para terminar estudiando fenómenos eléctricos en la atmósfera. Colaboró con Louis
Jaime Wisniak
doaj   +1 more source

Electricidad y magnetismo

open access: yes, 2019
Este es un libro introductorio al electromagnetismo con los siguientes contenidos: electrostática y magnetostática en el vacío, campos dependientes del tiempo en el vacío (formulación maxwelliana básica), aspectos básicos sobre circuitos eléctricos en regímenes estacionarios y transitorios, propiedades electromagnéticas de los medios materiales, ondas ...
Paola, Carlos Alejandro   +2 more
openaire   +2 more sources

New Approach to Designing Functional Materials for Stealth Technology: Radar Experiment with Bilayer Absorbers and Optimization of the Reflection Loss

open access: yesAdvanced Functional Materials, Volume 34, Issue 6, February 5, 2024.
This work reports experimental and modeling results of single and bi‐layered systems with microwave‐absorbing properties. Layers containing hexaferrite and iron powder in paint are prepared and measured under real radar conditions in an anechoic chamber.
Jaume Calvo‐de la Rosa   +6 more
wiley   +1 more source

Modelos mentais de eletromagnetismo

open access: yesCaderno Brasileiro de Ensino de Física, 1998
Modelos mentais são empregados correntemente em diversas áreas do conhecimento. A diversidade de usos de tal construção envolve não apenas diferentes definições do conceito, mas também pressupostos e compromissos.
Antônio Tarciso Borges
doaj  

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