Abstract: Unmanned Aerial Vehicles (UAVs) rely on satellite systems for stable positioning. However, due to limited satellite coverage or communication disruptions, UAVs may lose signals for ...

Abstract: The needle position and pose is essential information in ophthalmic microsurgery. Estimation of these parameters is still an open problem, which hinders the application of various ...

Friedrich Merz, the chancellor of Germany, said that under President Trump, the United States’ claim to global leadership “has been challenged, and possibly squandered.” By Jim Tankersley Reporting ...

Football seems like a simple game. You score more points than the opposition, you win. But, it’s so much more complicated than that. There are a lot of positions and among all of the jargon, it can be ...