WhyNot?

Spoiled Milk Detector

Category: Beverage
Responses: 2 (2 in support, 0 neutral, 0 in opposition)
Number of views: 603
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Design milk cartons which have a litmus strip that changes color depending on the freshness of the milk. A face could be printed over the strip - turning green when the milk is spoiled.

Millwonder, Dec 19 2007

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Comments from other members:

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Doesn't a litmus strip turn color due to a chemical reaction? I'm not sure I want my milk soaking in that chemical. The other thing that occurs to me is that litmus paper is a one time test, not a continuous type test.

Probably best to just ust the "nose" test.

Pilsner, Dec 19 2007