Enter Navjot Sawhney, who founded the UK-based social enterprise The Washing Machine Project (TWMP) to tackle this, and has now shipped almost 500 of his hand-crank Divya machines to 13 countries, including Mexico, Ghana, Iraq and the US. The Divya washing machine, made up of an outer drum and an inner one which rotates, operates a 30-minute wash cycle where it completes a 5kg load needing only a few minutes of manual turning. And voila — the machine can then be drained using the tap at the front. Navjot Sawhney demonstrates using the Divya machineOne crucial consideration was making sure Divyas were fit for the locations where they would be used. Images: The Washing Machine Project