Internet of things: Sensing without power

Nature Nanotechnology 12, 940 (2017). doi:10.1038/nnano.2017.185 Author: Vladimir A. Aksyuk A thermally activated micromechanical switch delivers an electrical readout signal only when irradiated by a narrowband mid-infrared light, thanks to a metamaterial element that converts light into heat.
Source: Nature Nanotechnology - Category: Nanotechnology Authors: Tags: News and Views Source Type: research