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.Hosted by: Olivia GordonSciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org----------Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow----------Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters----------Looking for SciShow elsewhere on the internet?Facebook: http://www.facebook.com/scishowTwitter: http://www.twitter.com/scishowTumblr: http://scishow.tumblr.comInstagram: http://instagram.com/thescishow----------Sources:https://edisontechcenter.org/WashingM...https://www.ipcol.com/blog/an-easy-gu...https://journals.aps.org/prapplied/ab...https://physics.aps.org/articles/v11/28https://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/v11/28https://www.videoblocks.com/video/wom...