What is astronauts having fun on the ISS? They shoot music videos, cook, garden, and play games. For example, in ping-pong. With water instead of a ball. Why not?
Astronaut Scott Kelly spends a year on the ISS, and with him he has two table tennis rackets made of hydrophobic material. As a result, a ball of water bounces quickly from them. It looks funny, but this game is also useful for science.
Hydrophobic materials attract the attention of scientists, because their use will keep surfaces clean where it is especially important, for example, in hospitals.
The article is based on materials .
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