Xfinity Mobile offers phone and data plans that start at $12 a month. The company also has mix-and-match services. Xfinity Mobile has unlimited talk and text on up to five lines with no phone line or ...

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Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Nature Sensors publishes fundamental, applied, and engineering research across the full spectrum of sensing technologies, spanning biological, computational, engineering, and systems domains. The ...