from the bactine-bulldozers dept.
Bridgette Steffen writes "In attempt to slow down desertification, a student at London's Architectural Association has proposed a 6000 km sandstone wall that will not only act as a break across the Sahara Desert, but also serve as refugee shelter. Last fall it won first prize in the Holcim Foundation's Awards for Sustainable Construction, and will use bacteria to solidify the sandstone."
Nothing is faster than the speed of light ...
To prove this to yourself, try opening the refrigerator door before the
light comes on.