Results 111 to 120 of about 443,558 (342)

Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review

open access: yesAdvanced Robotics Research, EarlyView.
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj   +2 more
wiley   +1 more source

"Selection and Imitation in Institutional Evolution: Analysis of Institutional Change in Japan, 1960-1999" [PDF]

open access: yes
This paper presents an empirical framework to analyze institutional changes, and applies it to the evolution of several economic institutions in Japan, specifically main banking system and long- term employment.
Tetsuji Okazaki
core  

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Tackling the technical history of the textiles of El-Deir, Kharga Oasis, the Western Desert of Egypt [PDF]

open access: yes, 2020
The site of El-Deir is situated north of Kharga in the “Great Oasis” of the Egyptian Western Desert (fig. 1). The site was occupied between the 6th century BC and the 6th century AD. A complex history emerged with the influence of many cultures: Persian,
Letellier-Willemin, Fleur
core   +1 more source

Failure Mechanisms for Ceramic Matrix Textile Composites at High Temperature [PDF]

open access: yes, 1999
OAK B188 Failure Mechanisms for Ceramic Matrix Textile Composites at High Temperature. This summary refers to work done in approximately the twelve months to the present in our contract ''Failure Mechanisms for Ceramic Matrix Textile Composites at High Temperature,'' which commenced in August, 1997.
openaire   +2 more sources

Top‐Down Fabricated Wood‐Derived Pressure and Strain Sensors: A Review

open access: yesAdvanced Science, EarlyView.
This review focuses on wood‐derived pressure/strain sensors fabricated via top‐down strategies. It analyzes wood's structural composition, examines processing techniques, discusses sensor types and sensing mechanisms, and reviews existing research. The article concludes with future directions for enhancing performance and scalability.
Yi Ren   +8 more
wiley   +1 more source

Polymers in the Textiles and in the Construction Industry

open access: yesAmerican Journal of Polymer Science and Technology
Ionic solids, ceramics and most polymers and plastics are insulators, they do not conduct electrical current. Plastics are materials that can be formed into various shapes by the application of pressure or heat. Plastics are classified into thermosetting
Hebah Wahab, Tamara Gund
semanticscholar   +1 more source

Ultra‐High Friction and Adhesion in Hydrogel Layer Driven by Wet‐to‐Dry Transition Dynamics

open access: yesAdvanced Science, EarlyView.
This work reveals a critical wet‐to‐dry transition in polyacrylamide hydrogel layers that induces volumetric shrinkage, resulting in enhanced interfacial contact and dramatically increased friction and adhesion. Leveraging this transition enables strong, reversible gripping on diverse surfaces, offering new insights for hydrogel‐based gripping ...
Chenxu Liu   +11 more
wiley   +1 more source

The Impact of manufactured imports from developing countries in the Federal Republic of Germany [PDF]

open access: yes
Significant changes in the structure of production and employment are one of the salient features of West Germany's economic history. However, it was not until the mid-1970s that such changes were accompanied by sizeable friction.
Wolter, Frank
core  

Wearable and Implantable Devices for Continuous Monitoring of Muscle Physiological Activity: A Review

open access: yesAdvanced Science, EarlyView.
Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao   +4 more
wiley   +1 more source

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