Sour Milk Detector Saves Your Olfactory Receptors

Boffins have developed a smart chip that indicates whether milk has turned sour at the checkout, saving you the potentially unpleasant task of deciphering the health of the white stuff when you get home. The device will be sensitive to the thickness of the container's contents, and when it passes by the cashier's… » 3/16/08 4:45pm 3/16/08 4:45pm