WEST LAFAYETTE, Ind. — Purdue University researchers Michael Rossmann and Richard Kuhn have been at the forefront of discovery with the help of a technology that recently led to a Nobel Prize in ...

Stacking light-generating layers in ‘tandem’ light-emitting diodes (LEDs) can enhance performance, but achieving efficient and stable tandem LEDs made with perovskite materials has remained a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN FRANCISCO (AP) — Unlike Google, Facebook ...