Core Viewpoint - The article discusses the advancements in humanoid flying robots, highlighting the transition from science fiction to practical applications, and the potential for these technologies in various fields such as emergency rescue and industrial operations [20]. Group 1: Research and Development - Zhejiang University Huzhou Research Institute showcased a humanoid flying robot concept with a jet propulsion system at the 2025 IROS conference [6]. - A team from Caltech developed a multimodal robot named LEONARDO, which can switch between walking and flying, demonstrating a new movement method that integrates ground and aerial capabilities [9][11]. - The Jet-HR2 from Guangdong University of Technology employs a radical approach by making flying its core capability, achieving stable takeoff and hovering with a thrust-to-weight ratio of 1.17 [14][16]. Group 2: Practical Applications - The jetpack showcased by Zhejiang University is designed for practical emergency scenarios, allowing single-person flight for rescue and inspection tasks [8]. - The iRonCub3 project from the Italian Institute of Technology aims to create a flying robot capable of rapid deployment in disaster response, integrating flight and ground operations [19]. - The collaboration between Caltech and TII resulted in a multi-robot system where a humanoid robot can launch a drone, demonstrating a complete operational chain for emergency tasks [13]. Group 3: Challenges and Future Prospects - Current challenges for humanoid flying robots include limited flight duration, high costs, and restricted application scenarios [20]. - The advancements in hardware and AI control algorithms are expected to enhance the capabilities of humanoid robots, making them valuable in industrial, rescue, and even space applications [20].