Abstract: In this letter, we proposed a new method of dual-bias voltage supply for reducing reflection loss (RL) in reconfigurable intelligent surfaces of liquid crystal (RIS-LC). By independently ...

Abstract: Traditional indoor distribution systems in 2G, 3G, and 4G networks are mostly single-path, but the indoor distribution systems in 5G networks require dual paths to get greater capacity by ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...