快讯|我国自研国际首创深水海管铺设智能装备完成海试；MIT研发高速精准乒乓球机器人；Persona AI融资2700万美元等

Group 1: Deepwater Pipeline Installation Technology - China's self-developed intelligent monitoring equipment for deepwater pipeline installation, named "Haiwei" system, has successfully completed sea trials, marking a significant breakthrough in the field of intelligent and unmanned deepwater oil and gas equipment [1] - The "Haiwei" system incorporates innovative technologies such as high-resilience unmanned surface vessels, underwater autonomous robots, repeaters, and optical communication, designed for operations at depths of up to 1500 meters [1] - The system includes the first domestic 18-meter unmanned vessel "Guardian" for surface monitoring and the 1500-meter deepwater autonomous underwater robot "Navigator," which can autonomously identify and track sediment points while transmitting data in real-time [1] Group 2: Robotics and AI Innovations - Persona AI Inc. has raised $27 million in seed funding to accelerate the development of humanoid robots designed for shipbuilding and manufacturing tasks [2][4] - The company is led by experienced professionals from the robotics field, including CEO Nic Radford, who has a background with NASA and Nauticus Robotics [4] - MIT engineers have developed a lightweight, high-precision ping pong robot capable of returning balls at speeds up to 19 meters per second, closely matching top human players [5][7] - Ground Control Robotics (GCR) has launched the first commercial bionic multi-legged robot designed for complex agricultural terrains, capable of autonomous navigation and weed removal [8][10] Group 3: Material Science Breakthroughs - Researchers from AMOLF and ARCNL in the Netherlands have developed a counterintuitive "Countersnapping" metamaterial that contracts when stretched, challenging traditional material mechanics [11][13] - This discovery opens new avenues for applications in soft robotics, smart wearables, and earthquake-resistant technologies, showcasing three major breakthroughs: unpowered unidirectional movement, dynamic stiffness adjustment, and self-damping vibration control [13]