Collaboration yields life-saving cones

摘要

Watercone is the name of the simple,unbreakable product patented by Munich-based industrial designer Stephan Augustm.Each is essentially a portable solar still that empowers people to generate their own drinking water.Under arid conditions,each unit has a five- to seven-year usable life span and can supply from 1 to 1.7 liters of potable water a day.