9 years ago
1
Cheap Drinking Water From The Sun, Aided By A Pop Of Pencil Shavings
Piscine Molitor "Pi" Patel did it to survive on the Pacific Ocean. Robert Redford used the trick in All Is Lost. When you're trapped on a boat, you can easily make fresh water, right? Simply let the sun heat up and evaporate salt water. Then trap the steam, condense it on a plastic surface and collect the fresh water. The liquid even gets sterilized in the process. So why can't people around the world who lack clean drinking water do something similar?
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This is brilliant actually... very simple and cost effective too.