Guinness beer, a dark stout beer, is pressurized with nitrogen gas. When poured Guinness beer into a pint glass, small-diameter bubbles (only 1/10 the size of those in carbonated drinks such as ...

How to pour a perfect Guinness draught in a bar In bars and pubs, there's a two-part pour, according to the brand’s website. Start with a clean, dry Guinness glass. The keg should be 41-44.6 ...

The typical Guinness glass is wider at the top. So as the beer fills the glass, it runs down the sides and rises from the middle of the glass.

But one mathematician says this actually might be the best glass to serve Guinness in because it allows the beer's bubbles to settle faster. William Lee, a professor of mathematics at the ...

The typical Guinness glass is wider at the top. So as the beer fills the glass, it runs down the sides and rises from the middle of the glass.