BEIJING, Nov. 20 (Xinhua) — A research team has found a way to make certain rare earth materials, known for their bright and stable light, emit light when powered directly by electricity.
The study, co-conducted by researchers from…
BEIJING, Nov. 20 (Xinhua) — A research team has found a way to make certain rare earth materials, known for their bright and stable light, emit light when powered directly by electricity.
The study, co-conducted by researchers from…