Home Beer Thank goodness for foamy beers

Thank goodness for foamy beers

Seriously, hear us out.
SHARE
CATEGORIES: Beer  

Foamy beer triptych

Jess Suworoff for DRAFT

Did you just hear that record scratch? Me too. Generally, an overly foamy head is bad news for beer drinkers—this isn’t a college kegger, after all. But scientifically, there’s a great reason to appreciate that inch or so of bubbles: Turns out, they keep more of your beer in your glass.

Fluid dynamics researches at the French National Center for Scientific Research in conjunction with colleagues from Princeton University and the École Normale Superieure de Cachan found that a beverage’s foam acts as a sort of barrier that slows down tiny waves in your glass. The researchers conclude that the foam lightly clings to the sides of the glass, preventing spillage (in science terms: “The motion of the foam along the walls of the container damps sloshing through viscous dissipation.”) Using a contraption that created waves and bubbles, hooked up to a high-speed camera, scientists concluded that foam shortened the amplitude of a liquid’s waves by as much as 90 percent.

Scientists say this research also holds true for other foamy beverages, meaning a latte is less likely to slosh over the sides of your mug than coffee is. Of course, if you’ve spent all night knocking back 11% imperial stouts, all the foam in the world won’t get that next beer from bar to table safely.

 

Author
Kate Bernot is DRAFT’s beer editor. Reach her at kate.bernot[at]draftmag.com.

draftmag.com

Mad Moon Launches SweeTarts Cider

Mad Moon will be offering both draft and 4-pack bottles of the new cider Tart Side of the Moon, which is made with real …

CATEGORIES: Beer   Feature   MIDWEST   Midwest News  

draftmag.com

Brewery Travels #34: Road Trip #5 (Idaho to Nebraska)

Two articles ago I described a shorter road trip up California and Oregon. This road trip? A bit further. Several long days of driving …

CATEGORIES: Beer   Feature   MIDWEST   Midwest Breweries   Midwest Feature  

Leave A Reply

Your email address will not be published.

199 queries in 2.406 seconds.