The most accurate clock in the universe[3]- Chinadaily.com.cn
Astronauts Jing Haipeng and Chen Dong display the meals they eat aboard the Tiangong II space lab.Xinhua No time to lose Liu wears a special watch that never loses a second. The team spent days, nights and even Spring Festival eve in the lab checking every component and aspect of the prototype, and finally solved the problem on the last day of the stipulated time frame. "That means the main body of the clock has stopped working, and only some parts are still operating," Liu said, adding that the measure ensures the astronauts' safety and the accuracy of the clock's data because the microgravity environment could be affected by human activities. "The clock has been operating smoothly so far, but making it more adaptable to working in space still poses challenges," Liu said.
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