Our heat wave during the end of June and beginning of July is coming to an end. Temperatures Thursday will be a bit tricky to predict. A round of morning rain dropped lows into the 60s, but now with s ...

Drones with propellers, for instance, are very agile and able to hover; however, they use up a lot of energy. Airplanes, on ...

Abstract: Wind energy has become a vital component of the power system. Due to the stochastic and intermittent characteristics of wind speed, thus enhancing accuracy and stability in short-term wind ...

An artist’s impression of a quasar. The black dot in the center represents the supermassive black hole at the center of the quasar. The red-and-yellow spiral surrounding it shows the disc of hot gas ...