Study explains why coffee more likely than latte to spill

February 24, 2015 8:14 PM

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In studying the physical dynamics of sloshing liquids, researchers found that five layers of foam bubbles limited the height of waves ten-fold as compared to plain liquid (like black coffee).

"What we observe in our cups of coffee, this happens every time you're carrying liquids in a container that's partially filled," study co-author Emilie Dressaire, an assistant professor of mechanical and aerospace engineering at New York University, told Popular Science.

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