Group 1 - Xiaopeng's humanoid robot "IRON" made its debut but fell while walking, prompting CEO He Xiaopeng to compare it to children learning to walk, emphasizing resilience and progress [2] - A new 3D micro-nano manufacturing technology utilizing light fluid effects has been developed by researchers from the Max Planck Institute and the National University of Singapore, allowing for the use of various materials beyond traditional polymers, which opens new pathways for manufacturing micro-robots [2] - The world's largest diameter vertical shaft tunneling machine "Qiming" successfully completed its mission in the Chongtai Yangtze River Tunnel, achieving a record for the largest diameter and fastest speed in high-speed rail vertical shaft tunneling [2] Group 2 - NASA has begun a critical two-day countdown simulation for its new lunar rocket, which will determine when four astronauts will embark on a mission to orbit the Moon, marking the first human flight to the Moon since 1972 [2]