This document provides instructions for nanocoating copper wire using a cold caustic liquid and a Coca Cola bottle. The instructions involve gathering materials, measuring and preparing the copper wire, putting on safety gear, placing the wire in the bottle, spraying the cold caustic liquid into the bottle to coat the wire, shaking the bottle periodically over several hours and days to allow the liquid to coat the copper, then removing the coated wires to dry. Safety precautions are described such as using gloves and having vinegar on hand.