Camouflage apples

On the long journey from the fruit plantation to the retailer’s shelf, fruits can quickly perish. In particular, the refrigeration inside the cargo containers is not always guaranteed and existing methods for measuring the temperature are not sufficiently reliable. A sensor developed at Empa solves this problem. It looks like a piece of fruit and acts like a piece of fruit – but is actually a spy. (Mehr in: Pressemitteilungen – idw – Informationsdienst Wissenschaft)