➀ MIT researchers develop wearable devices for individual cells; ➁ These subcellular-sized devices are battery-free and made of a soft polymer; ➂ They can measure or modulate a neuron’s electrical and metabolic activity at a subcellular level.

➀ This reference design by Analog Devices outlines the preparation and operation of the MAXREFDES280, an integrated wrist-worn design for collecting biometric signals. ➁ The design includes a sensor band with the MAX86171 optical analog front-end (AFE) for evaluating performance across various body sites, focusing on wrist-based applications. ➂ The system is powered by a rechargeable LiPo battery and includes comprehensive integration resources for easy setup and utilization.

➀ Researchers at the University of Surrey have developed a highly efficient flexible nanogenerator that can generate electricity from everyday movements. ➁ The new technology shows a 140-fold increase in power density compared to traditional nanogenerators, making it suitable for powering wearable devices. ➂ The nanogenerator utilizes a charge regeneration effect and is designed to be scalable for manufacturing, offering a sustainable solution for powering small devices and supporting smart systems.