TRAX air quality study expands

For more than five years, University of Utah air quality sensors have hitched rides on TRAX light rail trains, scanning air pollution along the train's Red and Green Lines. Now the study, once a passion project of U researchers, ...

Silver sawtooth creates valley-coherent light for nanophotonics

Scientists at the University of Groningen used a silver sawtooth nanoslit array to produce valley-coherent photoluminescence in two-dimensional tungsten disulfide flakes at room temperature. Until now, this could only be ...

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