Colour-changing food packaging 'could end food poisoning' by showing when fresh produce has gone off
This is a lot better than the "sell by" date. And it could end household arguments about whether or not the fresh chicken bought on Tuesday is still safe for consumption on Saturday.
Another article about it, well, has a title worth considering:
New sensor indicates the state of your meat
I also enjoy using an old-fashioned kind of sensor to check the state of my meat:
Monday, April 25, 2011
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