jywarren writes: Public Lab (http://publiclaboratory.org), which brought us the DIY Balloon Mapping Kit (http://kck.st/x5vsyA) and the highly successful DIY Spectrometry Kit (http://kck.st/PI9XOq) has launched a prize pool for identifying contaminants in your neighborhood — using only low cost, open source spectrometry. Phase 1 is open for submissions — you can enter or simply contribute to the prize pool.
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