Who is Grandma Wu who millions of fans claim not to brush the questions? 2021-1-1419: 21Today, we will introduce the 500-meter spherical radio telescope, referred to as FAST, which is the eye of China. It is located in Guizhou and has the largest and most sensitive aperture in the world. "grandma Wu said the positive solution, and with a sound of" Teng ",she lifted an iron pot from the bottom of the screen and continued to demonstrate FAST to the camera like a cauldron. How big is it? If this pot of wine is full, everyone in the world can get four bottles. FAST with a diameter of 500 meters is like an eye looking up at the sky. If aliens contact us in the future, the earliest discovery may be FAST in China. "Wu Ren, a 72-year-old professor of physics at Tongji University, recently made a fire on the short video platform. After she retired, she used the short video platform to give you general knowledge of popular science physics and demonstrate interesting physics experiments. In fact, she has been insisting on science popularization 16 years. " The construction and development of the country can not be separated from the improvement of the quality of the whole people, and it needs more in-depth study and beneficial science popularization. "This is her initial intention of doing science popularization, and" focusing on science and building a dream for the future "is Professor Wu's feelings and ideals. Nowadays, Professor Wu's short video of popular science has props of "brain-opening", interesting demonstrations and vivid explanations, which have attracted the attention of millions of fans all over the network.