Why a latte is less likely to spill than a coffee

February 24, 2015 4:02 PM

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Carrying a full cup of coffee from the kitchen to the dining room can be precarious for a sleepy-eyed caffeine addict who might accidentally send a wave of java sloshing over the rim. But add a bit of foam to the top and the trip becomes easier.

Scientists have found that just a few layers of bubbles can significantly dampen the sloshing motion of liquid. The research, reported in the journal Physics of Fluids, from AIP Publishing, may have applications far beyond breakfast beverages, including the safer transport of liquefied gas in trucks...

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