News tagged with contact angle
Engineer Discovers Why Particles Like Flour Disperse on Liquids
Nov 16, 2009 |
4.3 / 5 (15) |
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(PhysOrg.com) -- Even if you are not a cook, you might have wondered why a pinch of flour (or any small particles) thrown into a bowl of water will disperse in a dramatic fashion, radiating outward as if it ...
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First view of Earth as Rosetta approaches home
Space & Earth / Space Exploration
Nov 12, 2009 |
4.5 / 5 (6) |
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(PhysOrg.com) -- This spectacular image of our home planet was captured by the OSIRIS instrument on ESA's Rosetta comet chaser earlier today as the spacecraft approached Earth for the third and final swingby. ...
Swirling clouds over the South Pacific
Space & Earth / Space Exploration
Nov 17, 2009 |
3.8 / 5 (4) |
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(PhysOrg.com) -- Rosetta's OSIRIS imaging system spotted an anticyclone over the South Pacific on the morning of 13 November. The images show the scene roughly as a human eye would see it.
Ghostly 'Spokes' Puff Out From Saturn's Ring's (w/ Video)
Space & Earth / Space Exploration
Nov 16, 2009 |
4.5 / 5 (6) |
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(PhysOrg.com) -- Massive, bright clouds of tiny ice particles hover above the darkened rings of Saturn in an image captured by the Cassini spacecraft on Sept. 22, 2009, around the time of Saturn's equinox. ...
When roots lose contact
Nov 30, 2009 |
5 / 5 (1) |
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Plant roots can shrink as a result of water deficit and lose contact with the surrounding soil. This effect has been suspected for a long time, but has only now been demonstrated for a fact with the help of ...
Study pinpoints causes of 'runner’s knee'
Nov 23, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- From professional athletes to weekend warriors, the condition known as “runner’s knee” is a painful and potentially debilitating injury suffered by millions of people - although until now, it has been unclear ...
Rosetta sees a living planet
Space & Earth / Space Exploration
Nov 13, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Images and data taken just before closest approach were downloaded this morning, and they show the lights of North America in the night and a glowing Southern Hemisphere.
School closure could reduce swine flu transmission by 21 percent
Nov 27, 2009 |
not rated yet |
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A survey carried out in eight European countries has shown that closing schools in the event of an infectious disease pandemic could have a significant role in reducing illness transmission. Researchers writing in the open ...
Good hygiene goes a long way toward keeping pets, people healthy
Nov 13, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- People may not be the only ones susceptible to the H1N1 virus this year - family pets also can fall victim to the influenza.
Building a more versatile laser
Nov 16, 2009 |
4.5 / 5 (19) |
0
(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy
Nov 12, 2009 |
4.5 / 5 (12) |
6
(PhysOrg.com) -- Two teams of astronomers have found a planet outside the solar system that might be orbiting backwards compared to its star's rotation, a discovery that could shed light on how unique the ...
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