Taking entanglement beyond one ebit
Jan 23, 2007 |
3.8 / 5 after 24 votes |
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“Entanglement is a main part of quantum mechanics, and it is important to obtain a high degree of it in physical systems,” Lucas Lamata tells PhysOrg.com. Lucas Lamata is a scientist with the Institute for Fundamental Mathem ...
Physicists Develop Test for 'String Theory'
Jan 23, 2007 |
4.5 / 5 after 132 votes |
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For decades, scientists have taken issue with “string theory”—a theory of the universe which contends that the fundamental forces and matter of nature can be reduced to tiny one-dimensional filaments called strings—because ...
What Will GLAST Tell Us?
Jan 23, 2007 |
4.1 / 5 after 21 votes |
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The identity of dark matter—the mysterious stuff that makes up a quarter of the universe—continues to elude scientists, even decades after they first inferred its existence. The leading candidate that might ...
North America's wind patterns shifted significantly in the past 30,000 years
Space & Earth science / Earth Sciences
Jan 23, 2007 |
4.3 / 5 after 16 votes |
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Dartmouth researchers have learned that the prevailing winds in the mid latitudes of North America, which now blow from the west, once blew from the east. They reached this conclusion by analyzing 14,000- to ...
Hydrogen-powered lawnmowers?
Jan 23, 2007 |
4.3 / 5 after 33 votes |
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In a breakthrough that could make fuel cells practical for such small machines as lawnmowers and chainsaws, researchers have developed a new mechanism to efficiently control hydrogen fuel cell power.
Light-Emitting Diodes for Night-Vision Displays
Jan 23, 2007 |
4.1 / 5 after 19 votes |
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More and more, conventional inorganic semiconductor electronics are being complemented with organic components. For example, flexible displays, large illuminated displays, or flat-panel displays can be made from organic light-emitting ...
Paleontologists discover most primitive primate skeleton
General Science / Archaeology & Fossils
Jan 23, 2007 |
3.7 / 5 after 11 votes |
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The origins and earliest branches of primate evolution are clearer and more ancient by 10 million years than previous studies estimated, according to a study featured on the cover of the Jan. 23 print edition ...
Turning an axel mounted molecular wheel
Jan 23, 2007 |
4.4 / 5 after 7 votes |
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Researchers at the Centre for Material Development and Structural Studies in Toulouse (CEMES-CNRS) and their colleagues at the Free University of Berlin have, for the first time, managed to control the rotation of a wheel ...
'Terror bird' arrived in North America before land bridge, study finds
General Science / Archaeology & Fossils
Jan 23, 2007 |
4.2 / 5 after 9 votes |
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A University of Florida-led study has determined that Titanis walleri, a prehistoric 7-foot-tall flightless "terror bird," arrived in North America from South America long before a land bridge connected the two continents.
Scientists assess risk of potential flu pandemic spread via global airlines
Jan 23, 2007 |
4.5 / 5 after 13 votes |
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An Indiana University School of Informatics-led team of researchers has constructed a model that predicts how an emerging pandemic influenza might spread across the globe by airliners.
