Results 61 to 70 of about 8,564,340 (227)

A New Spin on the Hole Argument [PDF]

open access: yes, 2004
This brief paper shows how an exact analogue of Einstein's original hole argument can be constructed in the loop representation of quantum gravity.
Rickles, Dean
core  

Stretching the Printability Metric in Direct‐Ink Writing with Highly Extensible Yield‐Stress Fluids

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces “drawability” as a new metric for assessing printability in direct‐ink writing, focusing on gap‐spanning performance and speed robustness. By designing yield‐stress fluids with high extensibility, we demonstrate that extensional strain‐to‐break significantly enhances printability.
Chaimongkol Saengow   +9 more
wiley   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

SPiN-Lab/connPFM: v0.0.1

open access: yes, 2021
What's Changed Folder structure and add files from previous repositories by @vinferrer in https://github.com/SPiN-Lab/connPFM/pull/6 Setup connPFM installation with pip by @vinferrer in https://github.com/SPiN-Lab/connPFM/pull/8 Configure lint test and ...
The SPiN-Lab Community
core   +1 more source

Programmable Soft Actuator with Multi‐Responsiveness Based on Conductive MOF‐Liquid Crystal Polymer Composite

open access: yesAdvanced Functional Materials, EarlyView.
A sequential dual‐alignment strategy independently programs the orientation of conductive metal‐organic framework (c‐MOF) microrods and liquid crystals within a composite film. This approach creates an asymmetric bilayer structure that enables precise, multi‐responsive actuation.
Taegyun Hong   +5 more
wiley   +1 more source

A new class of group field theories for 1st order discrete quantum gravity [PDF]

open access: yes, 2008
Group Field Theories, a generalization of matrix models for 2d gravity, represent a 2nd quantization of both loop quantum gravity and simplicial quantum gravity.
Afd Theoretical Physics (ITF)   +3 more
core  

Duality in gravity and higher spin gauge fields [PDF]

open access: yesJournal of High Energy Physics, 2001
33 pages.
openaire   +2 more sources

Multistage, Self‐Sensing Artificial Muscles With Coordination From Liquid Crystal Elastomer‐Graphene Composite Fibers

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by skeletal muscles’ precision and endurance, CoilLCE integrates a self‐sensing liquid crystal elastomer/graphene artificial muscle with an embedded Joule‐heating copper coil, enabling closed‐loop multistage actuation with programmable intermediate states (strain accuracy of 2%), and antagonistic coordination (32% total strain). These features
Ziyun Zhang   +9 more
wiley   +1 more source

Geometry and dynamics of higher-spin frame fields [PDF]

open access: yes, 2008
We give a systematic account of unconstrained free bosonic higher-spin fields on D-dimensional Minkowski and (Anti-)de Sitter spaces in the frame formalism.
Afd Theoretical Physics (ITF)   +3 more
core  

Exact path integral for 3D higher spin gravity [PDF]

open access: yesPhysical Review D, 2017
8 pages, 1 figure.
Honda, Masazumi   +3 more
openaire   +2 more sources

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