2024 Author: Jasmine Walkman | [email protected]. Last modified: 2023-12-16 08:29
Coffee is easier to spill than beer, say researchers at Princeton University. According to the experts who conducted the research, the waiters, no matter how experienced, spill the bitter drink much more often than the mug of beer, USA Today writes.
Experts say that even the slightest instability in movement causes coffee to form large waves, which can easily lead to the spill of the drink, even from a half-empty cup. Scientists are adamant that this is not the case with beer and believe that the main reason for this is the presence of foam in the beer.
To test their hypothesis, experts conducted a study in which they used pictures of beer mugs moving. Scientists point out that some of the beer glasses were foamy and others were without.
The results of the study by experts show that mugs of beer are much harder to spill because the foam prevents the liquid from spilling out of the glass. Experts believe that even a very small layer of foam may be enough to dampen the waves that appear during unstable movements.
According to experts from Princeton University, the foam absorbs the energy of the liquid and the denser it is, the less chance it is to spill. The curious study does not stop there - to demonstrate their observations, the experts made a video.
It shows the highlights of their entire study, and the video was presented at the 67th Congress of the American Physical Society in the Hydrodynamics Section (APS), held in November in San Francisco.
Princeton scientists are convinced that their research is not only curious, but can be extremely useful not only in the restaurant industry. According to experts, this study will help increase efficiency in the delivery of various types of fluids.
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