--- title: Important innovation by Guinness date: "2001-12-07T12:00:00Z" categories: - links wp_id: 1530 description: I highlight the engineering behind Guinness Draught in a Bottle, focusing on the nitrogen widget technology that mimics a pub pour by releasing gas upon opening to create the brewery's signature creamy head. keywords: [guinness, nitrogen widget, brewing, stout, beverage engineering, carbonation] --- An [important innovation](http://usa.guinness.com/gdibflash/gdib.htm) by Guinness (the beer, not the book of records)