Accurate smartphone positioning in dense urban environments remains challenging due to signal blockage, multipath effects, and unreliable satellite visibility. This study presents a new positioning ...

Discover how integrating spatiotemporal resilience into unmanned systems can enhance their adaptability and performance. A ...

A recent study published in Engineering has introduced a novel framework for assessing and optimizing the spatiotemporal resilience of unmanned ...

Physicists have experimentally reversed electromagnetic waves in time, confirming a theoretical prediction that has stood for ...