Sugar-Sensitive Tattoos Could Make Life Easier For Diabetics
mbstone writes "Aside from ending painful daily fingerpricking for millions, the invention of the color-changing blood sugar tattoo should also reduce the vast amount spent on glucose test strips ($1/test). Next, I want to see artistic diabetic tattoos that morph according to the wearer's blood sugar."
You just need to design an algorithm.
If the stamp is visible -
If the Day of the week is Friday, Saturday, or Sunday -
If the Time is after 6 PM -
Easy.