Chinese researchers have transitioned from merely evading radar to "feeding" off it. A research team from Xidian University and Southeast University has developed a groundbreaking 6G-enabled smart surface—a reconfigurable intelligent surface (RIS) that can absorb hostile radar waves and convert them into usable electrical power. Published in the journal National Science Review in late 2025, this "all-in-one" technology marks a shift from passive stealth to a new doctrine called "electromagnetic