BRISTOL, Va. (WJHL) — Bristol, Virginia leaders say Fred Hayes Park was closed out of concern for public health and safety. On Wednesday, the City of Bristol, Virginia posted a statement on the park’s ...

Abstract: Millimeter-wave (mmWave) and terahertz (THz) communications with hybrid precoding architectures have been regarded as energy-efficient methods to fulfill the vision of high-speed ...

For the vast majority of Earth’s existence, our planet functioned as the quintessential circular system. The Sun’s energy nourished trees into life, and once they fell, microorganisms broke them down ...

Abstract: Acoustic imaging intuitively illustrates the locations of sound sources and has a wide range of applications, including fault detection. However, this technology requires a substantial ...