Prince William and Princess Kate share never-before-seen family photos from 2025 ...

UPS MD11 at Louisville on Nov 4th 2025, burst into flames on takeoff A UPS United Parcel Service McDonnell Douglas MD-11, ...

Abstract: Single longitudinal mode (SLM) fiber lasers are of significant research and practical value due to their unique performance and broad application potential in modern science, technology and ...

The information on this page contains the latest available details about this development which is a mix of information generated by the 99.co team and facts obtained from official developer sources.

Abstract: The measurement distance is one of the most important parameters for distributed acoustic sensor (DAS). In this paper, we report a long-distance and high-sensitivity DAS system based on time ...