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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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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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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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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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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Scientists looking to burst the superconductivity bubble
(PhysOrg.com) -- Bubbles are blocking the current path of one of the most promising high temperature superconducting materials, new research suggests.
May 16, 2011 |
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Clay-armored bubbles may have formed first protocells
(PhysOrg.com) -- A team of applied physicists at Harvard's School of Engineering and Applied Sciences (SEAS), Princeton, and Brandeis have demonstrated the formation of semipermeable vesicles from inorganic ...
Feb 07, 2011 |
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Scientists find first evidence that many universes exist
(PhysOrg.com) -- By looking far out into space and observing what’s going on there, scientists have been led to theorize that it all started with a Big Bang, immediately followed by a brief period of ...
Dec 17, 2010 |
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Discovery in 'pop' science reveals the elegant, complex way bubbles burst (w/ Video)
On the surface of things, how a bubble bursts may seem to be a simple, unremarkable event. In the June 10th issue of Nature, engineers at Harvard report just the opposite, having uncovered the beautifully comple ...
Jun 09, 2010 |
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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 |
4.9 / 5 (16) |
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Shocking recipe for making killer electrons (w/ Video)
Take a bunch of fast-moving electrons, place them in orbit and then hit them with the shock waves from a solar storm. What do you get? Killer electrons. That's the shocking recipe revealed by ESA's Cluster ...
Space & Earth / Space Exploration
Mar 11, 2010 |
4.5 / 5 (8) |
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Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)
(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...
Space & Earth / Space Exploration
Nov 24, 2009 |
4.9 / 5 (10) |
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Researchers: Champagne's aroma comes from bubbles
(AP) -- Don Ho was right. It is the tiny bubbles. A team of researchers - in Europe not surprisingly - found that Champagne's bursting bubbles not only tickle the nose, they create a mist that wafts the aroma to the drinker.
Chemistry / Analytical Chemistry
Sep 28, 2009 |
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Plastics that convert light to electricity could have a big impact
University of Washington researchers have found a way to measure exactly how much electrical current is carried by tiny bubbles and channels that form inside nanoscale solar cells, paving the way for development ...
Nanotechnology / Nanomaterials
Aug 04, 2009 |
4.6 / 5 (13) |
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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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