The ball is filled with nitrogen gas and a small amount of beer, which. The plastic ball in a can of guinness is known as a widget. During the canning process, brewers add liquid nitrogen to.
During the canning process, brewers add liquid nitrogen to. In the past few decades, guinness revolutionized both draft beer systems and how stouts are canned. Nitrogen, and a modified ping pong ball. Amelia schwartz is a.
Nitrogen, and a modified ping pong ball. Amelia schwartz is a.