Canadian astronaut Chris Hadfield has this week returned a request from a couple of high school science students to perform a simple experiment aboard the International Space Station: wringing out water from a wet washcloth. It’s shown first that a washcloth on the ISS is stored in a sort of hockey puck form, smashed down to its smallest physical form to avoid taking up any unnecessary space aboard the space station. From there it’s a lengthy task just unfolding the piece of material for basic use.
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