According to the math, washing machines should take several hours to get your clothes clean, but in reality it only takes a single hour or less. Now, scientists have finally figured out how they truly work.
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Sources:
https://edisontechcenter.org/WashingM...
https://www.ipcol.com/blog/an-easy-gu...
https://journals.aps.org/prapplied/ab...
https://physics.aps.org/articles/v11/28
https://link.springer.com/article/10....
https://link.springer.com/article/10....
Images:
https://www.videoblocks.com/video/clo...
https://en.wikipedia.org/wiki/File:Wo...
https://www.istockphoto.com/vector/ca...
https://www.istockphoto.com/photo/fab...
https://www.videoblocks.com/video/mod...
https://www.istockphoto.com/photo/sac...
https://physics.aps.org/articles/v11/28
https://www.videoblocks.com/video/wom...
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