Summary of the 3D Design and Printing Club at the Middle School Level

Summary of the 3D Design and Printing Club at the Middle School Level

Three-dimensionalLight Progression Shining Boundless Creativity ——Summary of the 3D Design and Printing Club at Kurle City No. 21 Middle School In the second semester of the 2024-2025 academic year, the 3D Design and Printing Club at Kurle City No. 21 Middle School successfully completed all activity plans and teaching objectives. This semester’s club activities not … Read more

The First Batch of 3D Printing Undergraduates in China Graduates: What Lies Ahead?

The First Batch of 3D Printing Undergraduates in China Graduates: What Lies Ahead?

In the summer of 2025, as a group of graduates donned their bachelor’s robes and walked out of the gates of Xinxiang University, the first truly qualified 3D printing undergraduates trained by Chinese universities officially entered society. As the first university in the country to establish an “Additive Manufacturing Engineering undergraduate program,” the graduation report … Read more

Professor Chen Yaosong of Peking University: My Golden Thirty Years (Part 1)

Professor Chen Yaosong of Peking University: My Golden Thirty Years (Part 1)

In 2012, Professor Chen Yaosong (born December 1928) gave a report at the University of Science and Technology of China; image source: Peking University Alumni Network Introduction: Since 1950, Chen Yaosong has studied modern mechanics under the guidance of Mr. Zhou Peiyuan, and later built an aerodynamics development base under the leadership of Mr. Qian … Read more

Professor Jia Ning from Southern University of Science and Technology Publishes Two Papers in Science in One Week

Professor Jia Ning from Southern University of Science and Technology Publishes Two Papers in Science in One Week

On May 1, 2025, the Jia Ning team from Southern University of Science and Technology published an article in Science, achieving significant results in the field of phage research. She obtained her PhD fromUniversity of Science and Technology of China, School of Life Sciences (supervisors: Professors Zhou Congzhao and Chen Yuxing), and completed her undergraduate … Read more

An Analysis of Whether AI Robots Can Fully Replace Human Customer Service

An Analysis of Whether AI Robots Can Fully Replace Human Customer Service

With the rapid development of artificial intelligence technology, the application of AI robots is becoming increasingly widespread in various fields. Among them, the customer service industry has also begun to see the emergence of AI robots. However, whether AI robots can completely replace human customer service remains a topic of much debate.This article will analyze … Read more

How to Implement NTP Time Synchronization for IoT Devices

How to Implement NTP Time Synchronization for IoT Devices

Why Do Devices Need Accurate Time? The importance of time synchronization in the IoT ecosystem is self-evident: • Data Timestamping Guarantee: Sensor data must have accurate timestamps for correct analysis and processing. • Security Authentication Mechanisms: Security mechanisms such as TLS certificate validation and JWT tokens rely on accurate time. • Logging and Debugging: Accurate … Read more

Troubleshooting Linux Boot Failures Due to File System Corruption (BusyBox, Entering Emergency Mode)

Troubleshooting Linux Boot Failures Due to File System Corruption (BusyBox, Entering Emergency Mode)

When Linux systems such as Ubuntu and OpenEuler fail to boot, and you see warnings like “BusyBox….” or “Entering emergency mode”, don’t panic. This usually indicates that there is an inconsistency in the file system that the system cannot automatically repair, requiring manual intervention. The error message is shown in the image below: This type … Read more

picolibc: A Tailored Ultra-Lightweight C Library for Embedded Systems, Simple Yet Powerful

picolibc: A Tailored Ultra-Lightweight C Library for Embedded Systems, Simple Yet Powerful

What is picolibc? What can it do? If you often engage in embedded development, you might encounter a common problem—libraries are too large, and memory is limited, making it impossible to fit everything. Or perhaps you want a lighter, faster C library to save precious space? That’s where picolibc comes in! It is an ultra-lightweight … Read more

Embedded AI Wargaming Simulation

Embedded AI Wargaming Simulation

In the 2018 film “Avengers: Infinity War”, superheroes struggle against the villain Thanos to save the universe. As they rack their brains to find a way to defeat Thanos, Doctor Strange mentions his time travel: “I walked ahead in time and saw different futures, saw all the possible outcomes of the impending conflict.” He glimpsed … Read more

Embedded AI Series – Converting YOLOv3 Model Using RKNN Toolkit

Embedded AI Series - Converting YOLOv3 Model Using RKNN Toolkit

★ Embedded AI Series – Converting YOLOv3 Model Using RKNN Toolkit ” 1 Introduction Since my development work is primarily focused on AI applications in machine vision, the commonly used model is the YOLO model. Therefore, I will demonstrate the conversion of the YOLOv3 model using the example code from the RKNN toolkit in the … Read more