Shawn Frayne, winner of a 2007 Breakthrough Award from Popular Mechanics, demos another one of his inventions: a self-sealing valve used on a solar disinfection...
SODIS is an alternative water treatment method designed for use at the household level. the technology is simple in terms of the procedure yet effective...
La desinfección solar del agua, llamado "SODIS", es un método simple y eficaz para tratar agua de consumo humano. Se llena botellas comunes de plástico...