Core Viewpoint - The article discusses the historical development of aviation, highlighting key figures and technological advancements that have shaped the industry over time. Group 1: Historical Milestones - The ancient Chinese had dreams of flying, as evidenced by historical artifacts like the Dunhuang murals [4] - The first powered flight was achieved by the Wright brothers in 1903, marking the beginning of modern aviation [7] - Chinese aviator Feng Ru created two aircraft models and conducted test flights in China, but tragically died in a crash in 1912 [12] Group 2: Engineering Challenges - Early aviation safety considerations focused on structural integrity, such as wing strength and fuselage durability [13][17] - Engineers used sandbags to simulate aerodynamic loads during ground tests due to the lack of advanced technology [16] - The concept of strength refers to a structure's ability to resist failure under load [17] Group 3: Aircraft Design and Safety - Lift is generated by the pressure difference between the upper and lower surfaces of the wing as it moves through the air [20] - Aircraft can experience vibrations and structural deformation during high-speed flight, necessitating a focus on wing stiffness [26][28] - Historical aircraft like the DC-3 and the Comet faced structural failures due to material fatigue [29][31] Group 4: Material Science and Testing - The introduction of fatigue testing and damage tolerance concepts has improved aircraft safety [59][62] - Modern aircraft design utilizes advanced materials like carbon fiber composites, which offer high strength-to-weight ratios [78][79] - Testing methods have evolved to include simulations and dynamic load tests to ensure structural integrity [88][90] Group 5: Human Factors and Operational Safety - Human error accounts for 70% to 80% of aviation accidents, highlighting the importance of training and technology in mitigating risks [93] - Modern aircraft employ advanced flight control systems that reduce the likelihood of pilot error [97] Group 6: Future of Aviation - The future of aviation is expected to integrate air and space travel, with advancements in high-speed vehicles that could redefine distance and travel time [130][131]

Core Insights - The "Aviation Science Popularization Exhibition" launched by Guangdong Science Center and China Science and Technology Museum aims to enhance public understanding of China's aviation technology development [1][3] - The exhibition showcases over a century of China's aviation industry evolution, highlighting its contributions to national security, economic development, and public welfare [3] Group 1 - The exhibition features a variety of exhibits including images, classic aircraft models, and flight simulation experiences [3] - It narrates the historical journey of China's aviation industry from its inception to its current advancements, including significant milestones such as the first domestically produced aircraft "Fengru 1" and the development of key military aircraft like J-20 and Z-20 [3] - The exhibition is divided into three thematic sections: "Striving for National Salvation," "Contributions to the Nation," and "A Strong Nation in the Sky," providing a comprehensive overview of the industry’s history [3] Group 2 - The exhibition aims to engage the public, especially the youth, by showcasing the achievements of the aviation sector over the past 70 years and promoting the spirit of patriotism represented by various aviation achievements [3] - In conjunction with the exhibition, Guangdong Science Center has launched a series of fun science challenges and new science films to further engage the public in scientific exploration [3]