CGTN published this video item, entitled “Chinese astronauts teach students about positive and negative images using water ball” – below is their description.
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Two Chinese astronauts, or taikonauts, show students that injecting air bubbles into a water ball can form two images – one positive, another negative.
China’s Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu gave a livestream science lecture to students on Earth from the space station’s Tianhe core module on Thursday afternoon.
CGTN YouTube Channel
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