Tanis8472
Guru
What a great idea.
Now i believe this works so that if food is kept warmer than it should be, it will react quicker.
http://www.jamesdysonaward.org/en-GB/projects/bump-mark-bio-reactive-food-expiry-label/
Now i believe this works so that if food is kept warmer than it should be, it will react quicker.
http://www.jamesdysonaward.org/en-GB/projects/bump-mark-bio-reactive-food-expiry-label/
