Guinness revolutionized both draft beer systems and how stouts are canned. The key? Nitrogen, and a modified ping pong ball.

Ever wondered why there’s a plastic ball in your can of Guinness? It’s not just a quirky feature—it’s brilliant beer science. In this video, see how this tiny device, called a widget ...

Bartenders are usually trained on how to achieve the perfect pour of Guinness by using the right glass, angle, and time taken to fill it.