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: In the field of knowledge graph completion, traditional methods mainly rely on Knowledge Graph Embedding (KGE), which maps entities and relations into a low-dimensional vector space to ...

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 ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...