Israeli Battle Dressing
Hobbyists' Toy Truck Saves 6 Soldiers' Lives
Improvised Culvert Denial System
Brazilian Student Creates Solar-powered Water Treatment System
Bringing light to the poor, one liter at a time
A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for dwellers in the light-deprived slums of the Philippines. The simple technology is spreading sunlight in places where it has never been, and saving residents money at the same time.