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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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 |
4.8 / 5 (17) |
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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 |
4.9 / 5 (12) |
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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 |
4.2 / 5 (21) |
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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 |
4.9 / 5 (14) |
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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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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 |
4.7 / 5 (33) |
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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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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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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 |
4.8 / 5 (13) |
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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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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 |
4.8 / 5 (5) |
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New technology for recovering valuable minerals from waste rock
Researchers report discovery of a completely new technology for more efficiently separating gold, silver, copper, and other valuable materials from rock and ore. Their report on the process, which uses nanoparticles ...
Nanotechnology / Nanomaterials
Sep 14, 2011 |
4.8 / 5 (6) |
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