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 art "Uptown espresso" in 1986, and by 1989 the heart pattern was established and a signature at Schomer's "Espresso Vivace." The rosette pattern was then developed by Schomer in 1992, recreating the technique based on a photograph he saw from Cafe Mateki in Italy. Schomer subsequently popularized latte art in his course "Caffe Latte Art". At the same time Luigi Lupi from Italy met Schomer on the internet and they exchanged videos they made on Latteart and Cappuccini Decorati. Latte art is a mixture of two colloids: the crema, which is an emulsion of coffee oil and brewed coffee; and the