Let the Sun Shine In: Redirecting Sunlight to Urban Alleyways

WASHINGTON, April 14, 2014 (Korea Bizwire) – In dense, urban centers around the world, many people live and work in  dim and narrow streets surrounded by tall buildings that block sunlight.  And as the global population continues to rise and buildings are jammed  closer together, the darkness will only spread. To alleviate the problem, Egyptian researchers [...]