http://www.cbsnews.com/news/smart-tags-change-color-when-food-gets-spoiled/
This is pretty cool. Scientist in China came up with tags that stick to a container and the color changes when food has gone bad. The gel-like tabs which are not very big could be stuck to cans and bottles to spot spoilage, even before the package is opened.
Interesting invention.
This is pretty cool. Scientist in China came up with tags that stick to a container and the color changes when food has gone bad. The gel-like tabs which are not very big could be stuck to cans and bottles to spot spoilage, even before the package is opened.
Interesting invention.