Take a tour of Unusual Facts About Washing Machines in Miami, United States - part of the World's Greatest Attractions travel video series by GeoBeats. The washing machine, in the powered version that we know it, has existed since 1908, though there were previous incarnations as well. Before that, washing machines were hand-powered or, prior to that, simply boards or rocks that clothing was scraped against. A huge majority of the socks that are lost in the United States disappear in washing machines, although there are no solid theories as to why. Washing machines that load from the front, rather than from the top, are more efficient and clean their loads better. Almost a quarter of the water used in the United States is used by our washing machines.