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VEDI is a simple label that indicates the remaining time before a medicine’s expiration date in a visual manner. There’s no need to search for the expiration date on the bottle; you can see it in a glimpse. In drugstores expired medicine can be easily identified with one look. And better than that is that it can be used not only on medicine but on other products too!
The labels has a container with a semi-transparent blue liquid inside, the liquid vaporizes at the room temperature in a constant rate, working as a timer. The front face of the label is were the liquid gets out gradually.
University of Tehran