Lishtot’s TestDrop tells you whether water is safe to drink without even touching it

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& Consistent access to clean water is something billions lack, and part of that is the inability to check whether one’s water is clean or not. Lishtot could help change this with a tiny device that instantly determines if water is safe to drink just by analyzing the electric field around it — no strips, no microfluidics, no toxic chemicals. Read More

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