The predictions that Trump alluded to in his speech last week are usually made using climate models, computer programs that help scientists understand how the climate changed in the past, how it is ...

An international research team led by the University of Bayreuth has discovered a metal that combines electrical conductivity with internal polarity. This enables it to exhibit second harmonic ...

Researchers found a metal with conductivity and polarity that shows second harmonic generation, an optical effect usually limited to non-metals.