dishwasher for one
Sonoclean is another design from Tobias Berneth, that I just could not pass up telling you about. It is not practical for everyone to have a dishwasher. For us in cities there often times isn’t enough space and for singles and some couples it doesn’t get run enough to be economical. Finally there is a solution that doesn’t involve soapy water and sponges. Sonoclean:
Sonoclean is a ultra-sonic based cleaning device that eliminates the need for detergents and soaps while using a lot less water. I really really want one.