Here in the US, we take clean drinking water for granted. In many parts of the world, however, modern water treatment simply doesn’t exist. This creates a major problem — poop in the drinking water! Amy Pickering, a Stanford engineer, went to Dhaka, Bangladesh to observe how the residents collected water. The challenge? Build a simple, cheap device so that residents can easily collect clean drinking water.
For more info, check out the article on KQED: