Results 11 to 20 of about 845,308 (362)

Continuum Robots: An Overview

open access: yesAdvanced Intelligent Systems, 2023
Herein, recent advances, current limitations, and open challenges in the design, modeling, and control of continuum robots are discussed. Thanks to their lean bodies, these robots achieve a long reach through narrow and tortuous environments, enabling ...
Matteo Russo   +7 more
semanticscholar   +3 more sources

Continuum Nanofluidics [PDF]

open access: yesLangmuir, 2015
This paper introduces the fundamental continuum theory governing momentum transport in isotropic nanofluidic flows. The theory is an extension to the classical Navier-Stokes equation, which includes coupling between translational and rotational degrees of freedom, as well as non-local response functions that incorporates spatial correlations.
Hansen, Jesper S.   +4 more
openaire   +5 more sources

Global estimates on the number of persons across the Alzheimer's disease continuum

open access: yesAlzheimer's & Dementia, 2022
Global estimates on numbers of persons in early stages of Alzheimer's disease (AD), including prodromal and preclinical, are lacking, yet are needed to inform policy decisions on preventive measures and planning for future therapies targeting AD ...
A. Gustavsson   +12 more
semanticscholar   +1 more source

Longitudinal Variations in Physiochemical Conditions and Their Consequent Effect on Phytoplankton Functional Diversity Within a Subtropical System of Cascade Reservoirs

open access: yesFrontiers in Ecology and Evolution, 2022
The social and environmental impacts of large dams are quantifiable and have been well documented, while small dams have often been presumed to be less environmentally damaging than large dams.
Henglun Shen   +4 more
doaj   +1 more source

Modeling of Cell Nuclear Mechanics: Classes, Components, and Applications

open access: yesCells, 2020
Cell nuclei are paramount for both cellular function and mechanical stability. These two roles of nuclei are intertwined as altered mechanical properties of nuclei are associated with altered cell behavior and disease.
Chad M. Hobson, Andrew D. Stephens
doaj   +1 more source

Ultralow-threshold laser using super-bound states in the continuum

open access: yesNature Communications, 2021
Wavelength-scale lasers provide promising applications through low power consumption requiring for optical cavities with increased quality factors. Cavity radiative losses can be suppressed strongly in the regime of optical bound states in the continuum;
Min-Soo Hwang   +7 more
semanticscholar   +1 more source

Revisiting Milgram and Kishino's Reality-Virtuality Continuum

open access: yesFrontiers in Virtual Reality, 2021
Since its introduction in 1994, Milgram and Kishino's reality-virtuality (RV) continuum has been used to frame virtual and augmented reality research and development. While originally, the RV continuum and the three dimensions of the supporting taxonomy (
Richard Skarbez   +2 more
semanticscholar   +1 more source

Asymmetric Metasurfaces with High-Q Resonances Governed by Bound States in the Continuum. [PDF]

open access: yesPhysical Review Letters, 2018
We reveal that metasurfaces created by seemingly different lattices of (dielectric or metallic) meta-atoms with broken in-plane symmetry can support sharp high-Q resonances arising from a distortion of symmetry-protected bound states in the continuum. We
K. Koshelev   +4 more
semanticscholar   +1 more source

Cauchy's Continuum [PDF]

open access: yesPerspectives on Science, 2011
Cauchy's sum theorem of 1821 has been the subject of rival interpretations ever since Robinson proposed a novel reading in the 1960s. Some claim that Cauchy modified the hypothesis of his theorem in 1853 by introducing uniform convergence, whose traditional formulation requires a pair of independent variables.
Katz, Karin U., Katz, Mikhail G.
openaire   +3 more sources

Preserving the Great Mosque of Córdoba (Spain): Characterization of Natural Stone Based on Rebound Hammer and Ultrasonic Tests

open access: yesEngineering Proceedings, 2023
The preservation of The Great Mosque of Córdoba (Spain) as a carrier of Andalusian collective memory requires innovative approaches to assess and maintain its structural health.
José Daniel Rodríguez-Mariscal   +5 more
doaj   +1 more source

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