In 2006, the Maximus project from Sri Lanka won the World Challenge title. This year, another entry from Sri Lanka, the ‘Safe Bottle Lamp Project’ is one of the 12 finalists in ‘The World Challenge - ...

The design was inspired by the Moser bottle, which is a water-filled bottle used to diffuse sunlight into a room during the day. Instead of sunlight, however, this design uses an LED to provide ...