date:Aug 14, 2012
. A special strip indicates food age in weeks on a scale of 1-4 and shows a red square once time is up.
Last year, Higgins claimed that the product is unique because it is the only one he knows of that has an elapsed time indicator to trigger a time device when the product is opened.
The firm initially developed an electronic prototype, then an electrical/chemical hybrid, before settling on a wholly chemical indicator.
The boon of the product is that it withstands temperature changes and is e