Surface-enhanced Raman spectroscopy is normally associated with the enhanced electric fields that arise near metal nanoparticle surfaces. The contribution of field gradients has been unclear, but new ...

THE WEEK’S MOST POPULAR CURRENT SONGS ACROSS ALL GENRES, RANKED BY STREAMING ACTIVITY DATA BY ONLINE MUSIC SOURCES TRACKED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS MEASURED BY MEDIABASE AND ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...