added 2007 Sat Feb 3 9:26:50 by Aidenag
A professor who developed an inexpensive, easy-to-make system for filtering arsenic from well water has won a $1 million engineering prize - and he plans to use most of the money to distribute the filters to needy communities around the world.
A professor who developed an inexpensive, easy-to-make system for filtering arsenic from well water has won a $1 million engineering prize - and he plans to use most of the money to distribute the filters to needy communities around the world.
