Latte perfect coffee for commuters as froth stops it sloshing out of cup, study finds

New York University scientists reveal latte is perfect coffee for trains and buses as adding foam to liquid makes it less likely to go over rim of cup

Worried about spilling your morning pick-me-up coffee on a busy bus or train? Then opt for a frothy latte, scientists have disclosed.

Researchers revealed that adding foam to a liquid makes it less likely to go over the rim of a cup. They said that just a few layers of bubbles can significantly dampen the sloshing motion of liquid.

The research might have uses far beyond hot drinks, including the safer transport of liquefied gas in trucks and propellants in rocket engines.

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