News tagged with bubbles
Irish mathematicians explain why Guinness bubbles sink (w/ video)
(Phys.org) -- Why do the bubbles in a glass of stout beer such as Guinness sink while the beer is settling, even though the bubbles are lighter than the surrounding liquid? That’s been a puzzling question ...
9 hours ago |
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Hawaii lab turns laser-powered bubbles into microrobots
(Phys.org) -- A team of scientists from the University of Hawaii are working on microrobots created from bubbles of air in a saline solution. The bubbles take on their title of “robots” as a laser ...
May 23, 2012 |
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The use of acoustic inversion to estimate the bubble size distribution in pipelines
New research from the University of Southampton has devised a new method to more accurately measure gas bubbles in pipelines.
May 15, 2012 |
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New Interstellar Boundary Explorer data show heliosphere's long-theorized bow shock does not exist
For the last few decades, space scientists have generally accepted that the bubble of gas and magnetic fields generated by the sun – known as the heliosphere – moves through space, creating three ...
Space & Earth / Space Exploration
May 10, 2012 |
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Team develops new method for filming the release of medicine inside cells
Researchers at the University of Twente (The Netherlands) have developed a method to allow them to watch close-up how medicines are released in cells and to monitor their absorption at the level of individual ...
Apr 27, 2012 |
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Seeing inside the nose of an aircraft
Radio signals reach pilots on board an aircraft through the "radar dome", the rounded nose of the aircraft. But if errors occur during the production of this "nose", - tiny foreign particles, drops of water ...
Apr 26, 2012 |
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Bioreactor redesign dramatically improves yield
Scientists explain why a microalgae bioreactor redesign provides an order-of-magnitude improvement over conventional cultivation methods.
Apr 18, 2012 |
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Researchers revolutionize closed captioning
(PhysOrg.com) -- Ever since closed video captioning was developed in the 1970s, it hasn't changed much. The words spoken by the characters or narrators scroll along at the bottom of the screen, enabling hearing ...
Technology / Computer Sciences
Mar 22, 2012 |
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Citizen scientists reveal a bubbly Milky Way
(PhysOrg.com) -- A team of volunteers has pored over observations from NASA's Spitzer Space Telescope and discovered more than 5,000 "bubbles" in the disk of our Milky Way galaxy. Young, hot stars blow these ...
Mar 07, 2012 |
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The indiscretions of a champagne bubble paparazzi
The innermost secrets of champagne bubbles are about to be unveiled in the Springer journal European Physical Journal ST. This fascinating work is the brainchild of Gérard Liger-Belair, a scientist tackli ...
Feb 14, 2012 |
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Champagne gases different out of a flute versus coupe
Champagne just isn't champagne without its bubbles, and a study highlights the effects that champagne glass shape and temperature can have on carbonation upon serving and the drinking experience. The full report is published ...
Feb 08, 2012 |
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More environmental rules needed for shale gas, says Stanford geophysicist
In his State of the Union address, President Barack Obama praised the potential of the country's tremendous supply of natural gas buried in shale. He echoed the recommendations for safe extraction made by ...
Feb 06, 2012 |
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Russia 'drills into' Antarctic subglacial lake
A Russian team has succeeded in drilling through four kilometres (2.5 miles) of ice to the surface of a mythical subglacial Antarctic lake which could hold as yet unknown life forms, reports said Monday.
Space & Earth / Earth Sciences
Feb 06, 2012 |
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A galactic magnetic field in a lab bolsters astrophysical theory
Why is the universe magnetized? It's a question scientists have been asking for decades. Now, an international team of researchers including a University of Michigan professor have demonstrated that it could ...
Jan 25, 2012 |
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Bubble-propelled microrockets could operate in the human stomach
(PhysOrg.com) -- Recently, researchers have been designing a wide variety of self-propelled micromotors, many of which operate using an oxygen-bubble propulsion mechanism that requires a high concentration ...
Jan 18, 2012 |
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