Quantum secure direct communication (QSDC) is a type of quantum communication that directly employs quantum states as information carriers for secure communication. It has the characteristics of ...

a. Schematic of a CBR sample on six-legged piezoelectric substrate mounted on a chip carrier. Dimensions are not to scale. b. Optical microscopy image of a finished sample. A tilted scanning electron ...

A few weeks ago we witnessed an incident where military leaders inadvertently included a reporter in what was supposed to be a closed, secure communication channel, all due to the use of the Signal ...

The promise of the digital age was always a sense of permanence. And for over 30 years, things have looked that way. Email has been the backbone of business communication for anyone who entered the ...