Why Physical Unique Identifiers on Water Points Will Improve Sustainable Services

November 26, 2012  |  by

What is a unique identifier? You probably don’t think of it, but you use unique identifiers every day. In the U.S., your social security number is your unique identifier for the government (which is why if someone has it they can steal your identity). Your bank account number helps the bank track all information associated with…

The Stone Prize: From Concept to Reality

November 6, 2012  |  by ,

Chlorine dispensers used by communities in Kenya. Credit: Dispensers for Safe Water Prizes have long been successful at inspiring technological innovation, from determining a ship’s longitude to creating a toilet that costs less than five cents per user per day to operate. What is less common is using a prize as a tool to stimulate…