News tagged with gas bubbles

Report describes the physics of the 'bends'

As you go about your day-to-day activities, tiny bubbles of nitrogen come and go inside your tissues. This is not a problem unless you happen to experience large changes in ambient pressure, such as those encountered by scuba ...

Jun 22, 2010
4.8 / 5 (5) 1

Microbes found in natural asphalt lake

(PhysOrg.com) -- A lake of natural hot liquid asphalt in Trinidad and Tobago has been found to be teeming with microbes despite the toxic environment. The lake, aptly named Pitch Lake (since pitch is the old ...

Apr 21, 2010 report
4.9 / 5 (16) 3

Measuring the Speed of Noble 'Bubbles'

(PhysOrg.com) -- Using a layer of noble gas "bubbles," scientists at Pacific Northwest National Laboratory devised a straightforward way to measure how fast molecules diffuse in supercooled liquids. Working ...

Feb 12, 2010
4 / 5 (3) 0 | with audio podcast

Tiny bubbles clean oil from water

Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, a University of Utah engineer has developed ...

Nov 16, 2009
3.6 / 5 (5) 0

Pillars of Creation formed in the shadows

Research by astronomers at the Dublin Institute of Advanced Studies suggests that shadows hold the key to how giant star-forming structures like the famous "Pillars of Creation" take shape.

Apr 23, 2009
4.7 / 5 (9) 0

Ancient geologic escape hatches mistaken for tube worms

Tubeworms have been around for millions of years and the fossil record is rich with their distinctive imprints. But a discovery made by U of C scientists found that what previous researchers had labeled as tubeworms in a ...

Feb 04, 2009
4.2 / 5 (5) 0
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