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Science & Tech

Solar Still Makes Water Purification Easy, Works Like An Upside-Down Coffee Maker
Science & Tech  (tags: Solar, Still, Makes, Water, Purification, Easy, Works, Like, an, Upside-Down, Coffee, Maker )

Agnes
- 1150 days ago - treehugger.com
The impending water crisis will threaten half of humanity by 2030; limited water supplies have already sparked deadly conflict in Africa. Of the designs to make water collection and purification easy, dependable and affordable, this solar still from
To Fight Oil Spills, An Open-Source Swarm of Robotic Sailboats (Video)
Science & Tech  (tags: science, tech, To, Fight, Oil, Spills, An, Open, Source, Swarm, of, Robotic, Sailboats, (Video) )

Agnes
- 1156 days ago - treehugger.com
Ask anyone who lives in the Gulf or the Niger Delta: oil spills are very nasty, and they don't clean themselves up. Chemical dispersants can make spills worse. And deploying hundreds of people in boats to run the clean-up presents a host of health
   

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