Serious Eats
The Fresh Label Tracks Food Expiration Dates
Spoon and Tamago's preview of the Good Design Awards features an expiration date label concept, Fresh Label, by Japanese design studio TO-GENKYO. The hourglass-shaped label would track a food's expiration date "by changing colors based on the level of ammonia the food emits as it ages." When the food has expired, the label would no longer readable. [via swissmiss]