Latte art microfoam, which is a foam of air in milk. Milk itself is an emulsion of butterfat in water, while coffee is a mixture of coffee solids in water. Neither of these colloids are stable – crema dissipates from espresso, while microfoam separates into drier foam and liquid milk – both degrading significantly in a matter of seconds, and thus latte art lasts only briefly. Latte art requires first producing espresso with crema and microfoam, and then combining these to make latte art. See microfoam: procedure for how microfoam is made; this article concentrates on the latte art once the foam
Latte faster and through a much smaller stream. Calling people "latte drinkers" pejoratively has become a common political attack in Western cultures. The popularity of espresso drinking in large cities, especially among more affluent urban populations, has caused some to consider it elitist behavior. In the United States, conservative political commentators have been known to call their opponents "latte-drinking liberal elites." In Canadian politics, latte drinking is used to portray people as out-of-touch intellectuals and the antithesis of the Tim Hortons coffee drinker that is considered representative of an ordinary Canadian. In Scandinavian politics, the term "the caffè latte segment" is