After 16 years and $8 billion, the military’s new GPS software still doesn’t work

Last year, just before the Fourth of July holiday, the US Space Force officially took ownership of a new operating system for ...

Racetrack-shaped lasers developed for bright, stable frequency combs

A new, miniature laser source developed by applied physicists in the Harvard John A. Paulson School of Engineering and ...
Frontiers

Precision and Intelligence in Next-Generation GNSS: Integrating Multi-Frequency, Multi-Constellation, and LEO Technologies

The rapid evolution of Global Navigation Satellite Systems (GNSS) is marked by the expansion of multi-frequency signals, the proliferation of constellations ...
Frontiers

Complex Networks in Physics: Data-Driven Construction, Dynamics, and Applications

Complex network theory has become a key analytical framework in modern physics for studying structure, dynamics, and emergent behaviour in complex systems.
IEEE

Collaborative Consistency Tracking in Hybrid Multiple Agent Systems Under Slow Time Varying Disturbance Signals

Abstract: In the real world, hybrid systems with multiple modes are ubiquitous, such as the air–ground combat system, the pilot-operated aircraft and the computer-controlled drone cooperate in combat ...