This project is no longer actively maintained. While the code remains available for reference and use, no updates, bug fixes, or new features will be provided. Users are encouraged to seek alternative ...

Astronomers have a new theory about planetary formation, and it revolves around one mysterious concept: interstellar visitors. No, not little green men, but rather deep-space wanderers like the ...

Abstract: This study explores the security of the existing space-time line code (STLC) scheme. A novel STLC-hopping scheme is proposed to ensure physical-layer secure communication of the STLC ...

Abstract: In this paper, a conventional multiuser space-time line code (MSTLC) transmission scheme is enhanced to a new enhanced MSTLC (EMSTLC). By introducing the balancing factors at receivers’ ...

Tech companies are displaying A.I., lasers and more as they compete for a piece of President Trump’s ambitious plan for a missile defense shield. Will Bruey, the chief executive of Varda Space ...