The 2012 Maker Faire Africa held in Lagos, Nigeria this week brought together people who build things, from traditional crafts to modern inventions. Four teenage girls made a particularly lasting impression at the event with their generator that is powered by urine.

Size matters when it come to wind turbines, so the Norwegian energy company Enova is leading the charge by building the largest wind turbine ever, saying that its gigantic size will make it more efficient than current models. This monster...

The Eolic is a foldable, portable wind-powered generator. So you just prop it up, face it towards a stiff breeze and start channeling that wind into a fully-functioning Xbox 360 during a hurricane. It's a pretty neat idea, although in...