News tagged with velocity
Using lasers to cool and manipulate molecules
18 hours ago |
5 / 5 (7) |
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(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...
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New study cites lower rate of quakes along some subduction zones
Space & Earth / Earth Sciences
Dec 04, 2009 |
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Most earthquakes occur along fault lines, which form boundaries between two tectonic plates. As the relative speed of the plates around a fault increases, is there a corresponding increase in the number of earthquakes produced ...
Flight of fancy: MIT autonomous mini-helicopter solves one tough challenge
Dec 03, 2009 |
4.6 / 5 (13) |
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In its first 18 years, the Association for Unmanned Vehicle Systems International’s annual aerial-robotics competition posed four successive challenges, which robotics researchers had to meet using entirely ...
2009: the Year of Twitter
Nov 30, 2009 |
1 / 5 (1) |
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The year has not yet ended but Microsoft says "Twitter" was among the top searches of 2009 on its new search engine Bing and a company which monitors language has crowned it the top word of the year.
Oceanic crust formation is dynamic after all
Space & Earth / Earth Sciences
Nov 25, 2009 |
4.8 / 5 (9) |
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Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly lathered with lotion.
A mechanical model of vocalization
Nov 23, 2009 |
not rated yet |
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When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with ...
Microwave Meter Measures Moisture and Density of In-Shell Peanuts
Nov 20, 2009 |
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(PhysOrg.com) -- A microwave meter that instantaneously measures both moisture and density of in-shell peanuts has been developed by Agricultural Research Service (ARS) scientists, making it easier and faster ...
Hunting for Planets in the Dark
Nov 19, 2009 |
4.8 / 5 (5) |
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A proposed space mission that aims to measure dark energy could also detect planets that current surveys are unable to find.
Discovery of a Retrograde or Highly Tilted Extrasolar Planet
Nov 18, 2009 |
4.8 / 5 (6) |
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Astronomers have found that the extrasolar planet HAT-P-7b has a retrograde or highly tilted orbit. Studying such planets is important in understanding the diversity of planetary systems and assessing current ...
Bacterial 'ropes' tie down shifting Southwest
Nov 17, 2009 |
4.4 / 5 (5) |
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Researchers from Arizona State University have discovered that several species of microbes (cyanobacteria), at least one found prominently in the deserts of the Southwest, have evolved the trait of rope-building ...
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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