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一個新鮮的新想法!
辨別食物的新鮮度，看貼紙就知道!
不知道一些黑心超市，敢不敢用了~
Design studio TO-GENKYO proposes a new method of tracking a
foods expiration date by using a universally recognizable visual. Over the last
year or so Japan had been struck by a number of scandals involving food
companies tampering with expiration dates. The new design keeps people honest by
changing colors based on the level of ammonia the food emits as it ages. After
it has passed its expiration date the barcode is no longer readable, making it
impossible to sell.
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