How big is the 500-meter spherical radio telescope (FAST) known as the "China Sky Eye"?

Wu Yuren, a retired professor of Tongji University, used an analogy: In the "eye of the sky" is full of Moutai, and everyone in the world can get an average of four bottles.

The 72-year-old is good at using iron pans, brooms and even peanuts to explain physics knowledge and cutting-edge science and technology. Therefore, she became popular on the short video platform and was called "scientific grandma" by millions of netizens.

(Producing Wang Jiayi)

Editor in charge: 【Luo Pan】

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