Abstract: Low-earth orbit (LEO) satellite Internet of Things (IoT) has emerged as a promising solution to address the limitations of terrestrial IoT by providing global coverage and seamless ...

Europe is betting big on wind. To curb its greenhouse-gas emissions, the EU has committed to roughly double its installed wind-power capacity by 2030, to 425 gigawatts (GW). Britain’s 50GW target for ...

Abstract: To shorten the design cycle of the 2-D axisymmetric electron gun, a new design methodology is reported in this article. Unlike the method of iterating the electron gun structure through ...