Sonaar Luthra – the Water Canary

Stagnant Water in Port-au-Prince HaitiTesting water for contaminants and disease can take time, sometimes several days. People need to drink water in the meantime. Enter Sonaar Luthra, a quick test to determine if water is fit to drink.

This TED talk is just over three minutes long and explains the method.

Stagnant water in Port-au-Prince, Haiti via arindambanerjee /

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Author: Heather Carr

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