You are currently browsing the Engineers Without Borders at Boston University blog archives for the day Saturday, April 4th, 2009.



2-Liter Bottles Illuminate Dark Homes

By Charles Jahnke

During an energy crisis in Brazil an engineer found he could illuminate dark buildings by diffusing sunlight through bleach and water. Obviously the setup will only work during the day, but in communities where energy is expensive or unreliable, the sun provides a solution for dark places during the day.