Wort Coppers (image) Max-Planck-Gesellschaft Caption These are wort coppers in a modern brewery. Also called kettles, they are used to boil the wort during beer production. Credit Pixelio Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.