Bright Dots: How Tiny Carbon Specks Could Light Up Our Lives
Scientists have cooked up a clever way to make tiny carbon dots that can do double duty. These dots, made from a simple ingredient called sorbic acid, can both sense things and light up brightly. This is a big deal because usually, materials can only do one or the other. These special dots can detect changes in liquids and solids. They can even tell how much of one ...