Seeing Colors in Your Drink: A Smart Way to Check Tannic Acid
Scientists have come up with a clever way to see tannic acid in drinks. They made tiny particles that glow in two colors: blue and orange. When these particles meet tannic acid, the orange glow fades, but the blue stays bright. This change helps them measure how much tannic acid is in a drink. The cool part is that these particles can show different colors. When the...