ISS Commander Chris Hadfield has become known for his demonstrations of ordinary activities that become somewhat extraordinary when enacted in space. His latest display was a response to a question from two Nova Scotian high school students: what happens when you wring a washcloth in space?
Watch this bit of microgravity physics at work:
















































































































![A trajectory analysis that used a computational fluid dynamics approach to determine the likely position and velocity histories of the foam (Credits: NASA Ref [1] p61).](https://www.spacesafetymagazine.com/wp-content/uploads/2014/05/fluid-dynamics-trajectory-analysis-50x50.jpg)


