If you're drinking a cup of coffee for #InternationalCoffeeDay, or any other beverage, you may notice the coffee-ring effect (CRE). When a turbid drop dries on a solid surface, its suspended particulates will be deposited in a ring-like pattern. Researchers leveraged CRE to obtain the patterned deposition of nanoparticles on a titanium substrate, which could improve NP-printed circuit boards and site-specific delivery of drugs. Find out how, under Celebrations in our linktr.ee* #Medical #Photonics