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Is this the end of use by dates? Tiny patch that sticks to food packaging will give you a warning when products are about to go off

Posted by Krishna Kalki on March 18, 2014 at 5:22am in Food, Health and Nutrition
Use-by dates are replaced using gold patches that change colourSensors in the patches detect changes in temperature, for examplePatches are smaller than a fingernail and cost a fraction of a pennyInventor said the tags can be customised for different perishable productsA miniature sensor that changes colour when milk goes off has been invented by scientists.The tags, which cost just a fraction of a penny each, could be used to monitor the freshness of other foods, drinks and medicines.Smaller than a finger nail, they contain a gel made out of a mixture of metals and chemicals, including tiny pieces of gold, a silver compound and vitamin C.Read More plus See Photos plus See Video @http://www.dailymail.co.uk/sciencetech/article-2582860/Is-end-use-dates-Patch-gives-warning-food-off.html
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  • Krishna Kalki March 18, 2014 at 5:26am
    Sell by dates is something we all check very often so this is a better idea...more practical and more reliable
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