iss water recycling

How Do Astronauts Brush Their Teeth in Space

Brushing teeth in space is one of the most challenging routines for astronauts in the early space era. However, after a series of experiments, astronauts can now confidently brush their teeth in the weightless environment of space. Currently, we have astronauts aboard the International Space Stations and Tiangong space stations. These astronauts adopt the widely adopted means […]

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