There comes a moment in the life of any operating system when an unforeseen event will tragically cut its uptime short.

Abstract: The characteristics of interference fading in a phase sensitive optical time domain reflectometer (φ-OTDR) system with a three optical frequency source are described in this paper. It is ...

Abstract: By exploiting multipath fading channels as a source of common randomness, physical layer (PHY) based key generation protocols allow two terminals with correlated observations to generate ...

Scientists suspect many species are in decline—but there are still unanswered questions and a lot of hope. Here's when and where you can still spot them. Experts say a "concerning" number of ...