American Physical Society's Division of Fluid Dynamics
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Bursting Citrus Peel Oil Glands Inspire New Approach for Microjetting Fluids

When was the last time you took a close look at an orange, lime or lemon peel? Outer citrus peels are covered with tiny oil glands or cavities that can explode in an outward direction, often spraying toward you, if bent in an attempt to gain access...
14-Nov-2017 3:05 PM EST Add to Favorites

Snoring Sounds Provide Insight for Obstructive Airway Disorders

Often unnoticed by the patient, Obstructive Sleep Apnea results in fragmented sleep patterns causing daytime fatigue and cardiovascular problems. However, the question remains of how to differentiate normal snoring from sleep apnea. Researchers will...
14-Nov-2017 3:45 PM EST Add to Favorites

Bubbles Clustering While Pouring Stout Beers?

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If you’ve poured a stout beer into a pint glass, you may have wondered about the or physics behind the rapid rise of bubbles and three-color shift when dark, medium and light shades are all clearly visible, before it transitions to simply beer and...
13-Nov-2017 8:05 AM EST Add to Favorites

Plesiosaur Flippers Inspire a Steering Mechanism for Swimming Robotic Vehicle

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Plesiosaurs, who thrived during the early to middle Jurassic Period, used four paddlelike flippers of nearly equal size and musculature to swim. Despite the seemingly subpar engineering, the fossil record reveals that plesiosaurs were widespread and...
14-Nov-2017 8:05 AM EST Add to Favorites

Underwater Sniffing of Star-Nosed Moles Is Mimicked for Chemical-Detecting ‘Electronic Nose’

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The star-nosed mole has several unusual abilities. One of them is “sniffing” underwater by blowing bubbles and quickly re-inhaling them, detecting odors of its prey through the water. The moles’ “star” nose features a ring of tiny, pink...
14-Nov-2017 9:05 AM EST Add to Favorites

Stinging Cells Pack a Powerful Pressure

The stinging cells of jellyfish, called nematocytes, have evolved to be one of the world’s most efficient predation tools. The nematocysts consist of a capsule and folded tubule, and use high pressure and acceleration for defense and locomotion...
14-Nov-2017 1:05 PM EST Add to Favorites

Raindrops Splash Pathogens Onto Crops

Pathogens, such as bacteria, viruses or fungi, cause harmful plant disease and often lead to the destruction of agricultural fields. With many possible dispersal methods, it can often be difficult to assess the damage of a pathogen’s impact before...
10-Nov-2017 11:05 AM EST Add to Favorites

'Magic' Sinus Paths Could Mean New Instructions for Nasal Sprays

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Sinus infections, inflammation and nasal congestion constantly plague Americans, often leading to unpleasant symptoms and even missed days of work. Traditional nasal spray anti-inflammatory medications attempt to treat the symptoms noninvasively,...
10-Nov-2017 1:05 PM EST Add to Favorites

Our Experts on Newswise

The Spin Racket: Ping-Pong Champs Are Intuitive Masters of Fluid Dynamics

Curve balls may help a pitcher strike out batters in baseball; and some nasty spin can make an opponent sweat to return a tennis serve. But more so than in any other ball game, in table tennis – where the ball is so light and so small –dedicated...
8-Aug-2012 10:00 AM EDT

Experts Available: Fluid Dynamics and Ship Experts Discuss the Science of the Costa Concordia

When the cruise liner Costa Concordia drew too close to shore near the Italian island of Giglio, a large rocky outcrop quickly sliced through the ship’s hull. While many questions about the dynamics at play during that disaster remain unanswered,...
27-Feb-2012 8:00 AM EST

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