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In contemporary China, where the ageing population is expanding at a rapid rate, nursing homes are under significant pressure to deliver services of a high standard and to create comfortable environments. Nevertheless, t...

Background: Caregivers are individuals responsible for assisting older, sick, or disabled persons. The majority of care services are provided by family members acting as primary caregivers. Providing care for older peopl...

Human vital-sign sensing using electromagnetic wave has emerged as a promising technology for the noninvasive monitoring of individuals’ health status. Here, a modular reprogrammable metasurface system is presented t...