Results 81 to 90 of about 59,032 (245)
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A lightweight hybrid backpack integrating SC‐TENGs and R‐EMGs harvests biomechanical energy during walking. With a low activation speed of 3 km h−1 and a high specific power of 0.18 W kg−1, it enables self‐powered field safety management. The power backpack refers to an energy‐harvesting solution engineered to mitigate battery reliance in wearable ...
Jie Chen +6 more
wiley +1 more source
FlexTech, EarlyView.A large‐area stretchable accelerometer array enables multi‐point monitoring of chest compression depth and thoracic contour reconstruction during CPR, offering high spatiotemporal resolution for dynamic deformation tracking and providing a new pathway toward intelligent, feedback‐based resuscitation systems. ABSTRACT High‐quality chest compressions are
Tianrun Xu +5 more
wiley +1 more source
Frontiers in Chemistry, 2019 The development of novel catalysts with both high catalytic activity and low cost toward the hydrolysis of ammonia borane is an important subject in the field of hydrogen energy. In this communications, NixCu1−xO microstructures with different morphology
Xianfeng Li, Liucheng Gui, Huahong Zou
doaj +1 more source
Checking and Enforcing Security through Opacity in Healthcare Applications
The Internet of Things (IoT) is a paradigm that can tremendously revolutionize health care thus benefiting both hospitals, doctors and patients. In this context, protecting the IoT in health care against interference, including service attacks and ...
A Bourouis +8 more
core +2 more sources
FlexMat, EarlyView.Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu +3 more
wiley +1 more source
Stone Bracelet Production in Mali
Internet Archaeology, 2009 In order to understand the manufacture of stone bangles in Neolithic France, we visited the Hombori region of Mali, to study the last surviving generation of makers of stone bangles there. From our field observations and from many interviews with various
Anne Garin Carmagnani, Yvan Pailler
doaj +1 more source
Seeking comradeship in the "Ogre's Den:" Winston Churchill's quest for a warrior alliance and his mission to Stalin, August 1942 [PDF]
On 12 August 1942, British Prime Minister Winston Churchill arrived in Moscow to meet Soviet leader Josef Stalin, for the first time, a mission that Churchill’s wife, Clementine, had described to him as a “visit to the Ogre in his Den.” Churchill had, by
Folly, MH
core
Wearable biofluids colorimetric biosensors
FlexMat, EarlyView.Wearable and flexible colorimetric sensors enable real‐time, non‐invasive detection through visible color changes. Advances in materials and device engineering have driven their development; however, challenges remain in sensitivity, selectivity, and scalable manufacturing.
Zhaoyuan Lyu +8 more
wiley +1 more source
Vibrational Feedback for a Teleoperated Continuum Robot with Non-contact Endoscope Localization
Current Directions in Biomedical EngineeringLimited or absent haptic feedback is reported as a factor hindering the continued adoption of surgical robots. This article presents a proof of concept for vibrotactile feedback integrated into a continuum robot to explore whether such feedback improves ...
Fischer Jonas +4 more
doaj +1 more source
Monitoring and assessment for obstructive sleep apnea
FlexMat, EarlyView.This review systematically classifies Obstructive Sleep Apnea (OSA) monitoring indicators into three categories: physical, biochemical, and electrophysiological indicators, and lists several methods for each category. Abstract Obstructive sleep apnea (OSA) is a common chronic sleep‐disordered breathing disease characterized by recurrent upper airway ...
Yaowen Xu +6 more
wiley +1 more source