Bill Gates

Microsoft co-founder Bill Gates is a legend in the world of software, but the latest project of his Bill and Melinda Gates Foundation deals with a very physical, real world problem, writes Vinjeru Mkandawire.

The “Reinvent the Toilet Challenge” encourages the use of technology in a very different way from writing code for computer operating systems – Universities are asked to build toilets that operate without running water, electricity or a sewage system. Read more