Spacelog: Taikonaut 'paints' Olympic rings in space with pH indicator
CGTN, 03 Feb 2022
For more:
https://news.cgtn.com/news/2022-02-03/Spacelog-Taikonaut-paints-Olympic-rings-in-space-with-pH-indicator--17lGZuRYwDu/index.html
Taikonaut Wang Yaping recently conducted a Winter Olympic-themed science lecture in space. After Wang placed pH indicators in different solutions, their colors changing according to the pH. Wang "painted" five "Olympic rings," each with its own colored solution.
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