Comment on Why there's a white plastic ball in Guinness beer cans

Why there's a white plastic ball in Guinness beer cans

The plastic widget was developed by Guinness in 1969 to give their canned brews a silky, creamy head.Duk/Wikimedia Commons The Guinness widget is a tiny, plastic ball inside beer cans. During canning, pressurized nitrogen is added to the brew, which trickles into a hole in the widget. Once opened, the widget's nitrogenated beer squirts into the rest of the beer giving it a velvety texture. Have you ever noticed the clink-clank of a tiny object rattling around the inside of an empty Guinness bottle or can?That little gadget is called a widget, and you should be thankful for it.

 

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