Today, roughly 75 percent of American households have a dishwasher. But this wonder of modern kitchen science still lags well behind refrigerators and microwaves — which are both over 95 percent. The automatic dishwasher was the high-tech promise of the 1920s. And the 1950s. And the 1970s. So why has the dishwasher taken so long to become mainstream?
Source: Gizmodo – We’re Still Waiting On The Dishwasher Utopia