These meat labels react to ammonia, a by product of meat spoilage. Once it turns completely blue the barcode can no longer be scanned for sale

Image from preview.redd.it and submitted by Palifaith

image showing These meat labels react to ammonia, a by product of meat spoilage. Once it turns completely blue the barcode can no longer be scanned for sale

DrunkBamboo on December 11st, 2020 at 05:58 UTC »

That's pretty neat

Twitter-isnt-News on December 11st, 2020 at 06:08 UTC »

Where is this?

Kektimus on December 11st, 2020 at 06:29 UTC »

Hourglass shaped. Now this is some r/designporn