Marble In Guinness Can

The answer is nitrogenisation.

Marble in guinness can.

Marble is commonly used for sculpture and as a building material. The purpose of the widget is to release the co 2 from some of the beer in the can to create the head. 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. Deal had taken the entire top off of the can with a can opener.

It was patented in british patent no 1266351 filed 27 january 1969 with a complete specification published 8 march 1972. Guinness skilful pairing of nitrogen gas and carbon dioxide to create a perfectly balanced stout. In 1969 two guinness brewers at guinness s st james s gate brewery in dublin tony carey and sammy hildebrand developed a system for producing draught type guinness from cans or bottles through the discharge of gas from an internal compartment. 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.

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. The widget is a plastic nitrogen filled sphere with a tiny hole in it. 11 2011 youtube user jack deal posted a video about a curious ping pong sized ball floating in his can of guinness draught.