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Air is introduced from the steam wand by immersing only the tip of the wand in the milk. This process is sometimes known as frothing, stretching, or surfing, [8] and usually lasts less than 10 seconds. After the creation of small bubbles, the milk is covered with a soft foam phase which separates from the liquid and floats on top of the milk.
A milk frother is a utensil for making milk froth, typically to be added to coffee (cappuccino, latte, etc.). It aerates the milk, creating a thick but light foam. [ 1 ] Milk frothers were introduced through the use of espresso machines that contained steamed wands that would froth steamed milk.
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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.
Capacity: 12 ounces | Temperature options: 135, 140, or 145°F | Battery life: Up to 2 hours | Lid: Yes | Color options: Black only Most heated coffee mugs cost $100 or more, but this budget ...
Such thermometers are usually calibrated so that one can read the temperature simply by observing the level of the fluid in the thermometer. Another type of thermometer that is not really used much in practice, but is important from a theoretical standpoint, is the gas thermometer. Other important devices for measuring temperature include:
During testing, the Moccamaster aced what the ECBC calls the "four Ts" of coffee brewing: temperature, time, turbulence (even saturation), and total dissolved solids (a measure of coffee solubles ...
Measuring instruments in fiction: Captain Nemo and Professor Aronnax contemplating thermometers, barometers, clocks, etc. in Jules Verne's 1869-1870 science fiction novel Twenty Thousand Leagues Under the Seas Fun measuring instruments: a Love Meter and strength tester machine at a Framingham, Massachusetts rest stop.