A nanoscale optical device has been developed that allows independent control over the intensity and phase of light. By applying voltage, this innovative device can freely manipulate the phase and ...
A method for configuring light-trapping devices promises better optical nanodevices by amplifying light and enhancing the emission efficiency of luminescent nanomaterials — without the need for ...
How it works: Akhil Padmanabha and colleagues have invented a wearable device that can objectively measure the intensity of scratching. (Courtesy: Carnegie Mellon University) A new wearable ring ...
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