Saturday, November 22, 2025 Sunny 21℃/7℃ Quantum Navigation Source: NOV/DEC 2025 DISCOVER The flaws of GPS have sparked discussions in the United States about alternatives. Quantum navigation, as an ambitious proposal, relies on the motion of ultra-cold atoms for positioning instead of space signals, effectively preventing spoofing interference and addressing the occasional positioning errors of … Read more
Friday, November 21, 2025 [3D Printing] Successful First Flight of China’s 3D Printed Simplified Turbofan Engine The 3D printed simplified turbofan engine independently developed by China Aviation Engine Corporation recently completed its first single-engine flight test successfully. This is not only a technological breakthrough in China’s aviation engine field but also a key milestone for … Read more
Source | Learning Times General Secretary Xi Jinping pointed out the importance and urgency of promoting the development of quantum technology, emphasizing the need to strengthen strategic planning and systematic layout for quantum technology development, grasp major trends, and make proactive moves. Recently, Learning Times invited Academician Pan Jianwei’s team to write three popular science … Read more
New Model for Narrow-body Aircraft Connectivity Author: IT Times Reporter Sun Yan Editor: Qian Lifu On a flight from Shanghai to Beijing, passengers are often seen glued to their phones or working on laptops from takeoff to landing. An Eastern Airlines flight attendant remarked, “Business travelers tend to prefer flights with in-flight Wi-Fi.” This phenomenon … Read more
The previous article in this series discussed the “Necessity Analysis of Quantum Communication Engineering.” It inferred, through the introduction of two important papers and an analysis of the latest advancements in quantum computing, that public key cryptography will remain sufficiently secure for a considerable period in the future. Therefore, hastily promoting “quantum communication” engineering projects … Read more