March 23, 2022:

Students attend a livestreamed popular-science lecture given by Chinese astronauts from China’s space station Tiangong at the China Science and Technology Museum in Beijing.

The second live class from China’s space station was held on the afternoon of March 23. From space, Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu provided insights to students on Earth. During the 45-minute lesson, the astronauts carried out four experiments to show physical phenomena only possible in microgravity, such as crystallization of supersaturated solution, a liquid bridge demonstration, water- oil separation, and throwing objects under the zero-gravity conditions, amazing the terrestrial youngsters. Xinhua