Scientists make single-photon sources brighter
Dec 12, 2007 |
4.6 / 5 after 72 votes |
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Scientists have achieved a major advance in developing a single-photon light source, bringing quantum applications such as quantum computing and quantum cryptography closer to reality.
Desktop device generates and traps rare ultracold molecules
Dec 12, 2007 |
4.7 / 5 after 37 votes |
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Physicists at the University of Rochester have combined an atom-chiller with a molecule trap, creating for the first time a device that can generate and trap huge numbers of elusive-yet-valuable ultracold ...
Taiwan Scientists Discover Gold Nanoparticles Stabilize Organic Memory
Dec 12, 2007 |
3.9 / 5 after 33 votes |
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Taiwan scientists and engineers have invented a nonvolatile organic memory device. The device uses gold nanoparticles mixed with a polymer that is wedged between two aluminum electrodes.
Discovery shows Milky Way halo is split in two
Space & Earth science / Astronomy
Dec 12, 2007 |
4.6 / 5 after 26 votes |
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The Milky Way is an iconic fixture of the night sky for Australians, but if looking at it makes you feel dizzy it could be because distinct parts of the system are spinning in different directions.
Researchers capture optical 'rogue waves'
Dec 12, 2007 |
4.5 / 5 after 25 votes |
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Maritime folklore tells tales of giant "rogue waves" that can appear and disappear without warning in the open ocean. Also known as "freak waves," these ominous monsters have been described by mariners for ages and have even ...
Does time slow in crisis?
Dec 12, 2007 |
4.2 / 5 after 37 votes |
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In The Matrix, hero Neo wins his battles when time slows in the simulated world. In the real world, accident victims often report a similar slowing as they slide unavoidably into disaster. But can humans really experience ...
Earth's heat adds to climate change to melt Greenland ice
Space & Earth science / Earth Sciences
Dec 12, 2007 |
4.4 / 5 after 31 votes |
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Scientists have discovered what they think may be another reason why Greenland 's ice is melting: a thin spot in Earth's crust is enabling underground magma to heat the ice.
Female lower back has evolved to accommodate the weight of pregnancy
Dec 12, 2007 |
4.6 / 5 after 9 votes |
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When a pregnant woman leans back, and shifts her weight to stand more comfortably, she is performing a motion that for millions of years has helped to compensate for the strain and weight of childbearing on the body. According ...
New technique could dramatically lower costs of DNA sequencing
Nanotechnology / Bio & Medicine
Dec 12, 2007 |
4.8 / 5 after 20 votes |
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Using computer simulations, researchers at the University of Illinois have demonstrated a strategy for sequencing DNA by driving the molecule back and forth through a nanopore capacitor in a semiconductor chip. The technique ...
Mixed results: Combining scaffold ingredients yields surprising nanoporous structure
Dec 12, 2007 |
4.6 / 5 after 7 votes |
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With a novel twist on existing techniques used to create porous crystals, University of Michigan researchers have developed a new, high-capacity material that may be useful in storing hydrogen, methane and carbon dioxide.
