The next time children in some elementary schools in Texas try to sneak extra chips onto their trays in the cafeteria queue, the eye in the sky will be watching them.
Using a $2m (£1.3m) grant from the US department of agriculture, schools in San Antonio are installing sophisticated cameras that read barcodes embedded in the food trays.
The aim is to cut childhood obesity by providing parents and school nutrition specialists with information on the types of food elementary students are eating. Officials will receive information on the nutrient and calorie counts of the food children have consumed.
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