Global navigation satellite systems (GNSS) are vital for positioning autonomous vehicles, buses, drones, and outdoor robots. Yet its accuracy often degrades in dense urban areas due to signal blockage ...

A misalignment-tolerant multi-pass optical cavity boosts weak Raman signals, doubling path length and enabling stable, ...

Modern power systems face increasing challenges as they integrate renewable energy sources and advanced digital technologies. Key to maintaining reliable electricity supply is the design of robust ...

New aluminum-graphite battery demonstrator signals a bold step toward lithium-free energy storage A team of German researchers has built the world’s first full battery system based on ...