Marble In Guinness Can

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Marble in guinness can.

The answer is nitrogenisation. Guinness skilful pairing of nitrogen gas and carbon dioxide to create a perfectly balanced stout. The plastic widget was developed by guinness in 1969 to give their canned brews a silky creamy head. It was patented in british patent no 1266351 filed 27 january 1969 with a complete specification published 8 march 1972.

Marble is commonly used for sculpture and as a building material. Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. Guinness brewers first patented the idea of the widget in 1969 but it wasn t until 20 years later in 1989 when they released their first generation widget which was a flattened sphere that sat. Because a beer like guinness contains less dissolved co 2 if you poured it from a can with no widget the head not be very thick because most of the co 2 would stay dissolved.

11 2011 youtube user jack deal posted a video about a curious ping pong sized ball floating in his can of guinness draught. The purpose of the widget is to release the co 2 from some of the beer in the can to create the head. The widget is a plastic nitrogen filled sphere with a tiny hole in it.