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How to Make Ice Out of Thin Air

By Robert Miller on Mercredi, septembre 14, 2005.
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When he isn't snowboarding or volunteering for Engineers Without Borders, Dave Williams spends his days thinking about something most of us take for granted: ice. As he discovered on a volunteer trip to Haiti in 2002, ice can be a godsend to a poor village, keeping fish fresh on a journey to market or preserving vaccines. Read more »