The tandem device is based on a bottom organic cell that can achieve a remarkable power conversion efficiency of 17.9% and a high short-circuit current density of 28.60 mA cm2. Furthermore, it uses a ...

Can the lead plaintiff in the gay marriage case move on from his grief — and can America move on from homophobia?

Ralph] is excited about impedance matching, and why not? It is important to match the source and load impedance to get the ...

Researchers developed a new type of lighter, more affordable current collector, which conducts electricity from an electric ...