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[Google launches test satellite equipped with AI chip] On October 3, a prototype satellite equipped with Google's Tensor Processing Unit (TPU) chip was recently launched by Google in the United States to test the operating performance of the chip in the space environment and study whether artificial intelligence (AI) infrastructure can be deployed in space in the future. This prototype satellite is equipped with 4 Google TPU chips and was launched by the "Transporter-18" mission of the American Space Exploration Technology Company. Google said that its team has established communication with the satellite and that the satellite is currently operating normally. Google said the launch is part of a long-term study to explore whether scalable machine learning infrastructure can be deployed in space in the future. Google said it will collect satellite in-orbit operation data in the next few weeks, focusing on evaluating the TPU chip's ability to withstand physical stress during space flight and radiation and extreme temperatures in the space environment, and improve future related designs accordingly. According to information from Google, TPU is specially built to accelerate machine learning and AI computing, providing support for various applications such as large language models and complex reasoning agents. In low-Earth orbit, satellites can obtain nearly continuous sunlight, and solar power generation can reach up to 8 times that of the ground level. In the future, it may be possible to interconnect multiple satellite constellations to handle larger-scale AI computing tasks in orbit. (CCTV News)
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[After more than 4 months in orbit, the Shenzhou 23 crew completed many tasks including loading and unloading the load module] September 27th (Xinhua) Shenzhou 23 crew astronauts Zhu Yangzhu, Zhang Zhiyuan, and Li Jiaying have been in orbit for more than 4 months. Last week, while steadily advancing various space science experiments (experiments) in the station and carrying out regular maintenance of the assembly platform, they also completed the work related to the loading and unloading of the load module. The extravehicular universal test equipment for components and components that went out of the cabin this time includes test units such as "hollow photonic bandgap fiber optic gyroscope", "advanced process devices" and "remote sensing target detection based on domestic AI chips", which are used to carry out experiments on new space technologies and applications. With the support and cooperation of ground personnel, the crew completed the return to the cabin of the material external exposure experimental device. Since this device was launched into orbit with the Tianzhou-5 cargo spacecraft on November 12, 2022, it has carried out 3 batches of exposure experiments totaling 16 projects, creating many international firsts. Currently, the fourth experiment is being carried out, covering 8 scientific research projects and 26 unit samples. Last week, various space science experiments (experiments) were carried out in an orderly manner in the cabin. The crew conducted mass perception and arm vibration experimental tests of the on-orbit tactile perception experiment project to study the changing rules of astronauts' tactile perception ability during space flight. They also completed emergency decision-making ability assessment and on-orbit emotional state testing, and continued to accumulate test data. In terms of maintenance of the space station complex platform, the crew replaced components in the water and gas separation device of the regenerative life support system. In addition, the astronauts completed medical examinations such as 12-lead electrocardiograms and non-invasive cardiac function tests, and used equipment such as bone loss countermeasures and neuromuscular stimulators to combat the physiological effects of weightlessness. (CCTV News)