Scientists make single-photon sources brighter
Dec 12, 2007 |
4.6 / 5 (72) |
5
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 (37) |
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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 ...
Does time slow in crisis?
Dec 12, 2007 |
4.1 / 5 (38) |
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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 / Earth Sciences
Dec 12, 2007 |
4.4 / 5 (31) |
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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.
Taiwan Scientists Discover Gold Nanoparticles Stabilize Organic Memory
Nanotechnology / Nanomaterials
Dec 12, 2007 |
3.9 / 5 (33) |
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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
Dec 12, 2007 |
4.6 / 5 (26) |
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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 (26) |
3
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 ...
Student identifies enormous new dinosaur
Other Sciences / Archaeology & Fossils
Dec 12, 2007 |
4.4 / 5 (22) |
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The remains of one of the largest meat-eating dinosaurs ever found have recently been recognized as representing a new species by a student working at the University of Bristol.
New technique could dramatically lower costs of DNA sequencing
Nanotechnology / Bio & Medicine
Dec 12, 2007 |
4.8 / 5 (20) |
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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 ...
Researchers identify granddaddy of human blood cells
Biology /
Dec 12, 2007 |
4.9 / 5 (19) |
1
Researchers at the Stanford University School of Medicine have isolated a human blood cell that represents the great-grandparent of all the cells of the blood, a finding that could lead to new treatments for blood cancers ...
'Combinatorial' approach squashes software bugs faster, cheaper
Dec 12, 2007 |
4.8 / 5 (16) |
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A team of computer scientists and mathematicians from the National Institute of Standards and Technology and the University of Texas, Arlington is developing an open-source tool that catches programming errors by using an ...
Without its insulating ice cap, Arctic surface waters warm to as much as 5 C above average
Space & Earth / Earth Sciences
Dec 12, 2007 |
4.6 / 5 (14) |
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Record-breaking amounts of ice-free water have deprived the Arctic of more of its natural "sunscreen" than ever in recent summers. The effect is so pronounced that sea surface temperatures rose to 5 C above ...
Large earthquakes may broadcast warnings, but is anyone tuning in to listen?
Space & Earth / Earth Sciences
Dec 12, 2007 |
4.5 / 5 (13) |
1
Like geological ninjas, earthquakes can strike without warning. But there may be a way to detect the footfalls of large earthquakes before they strike, alerting their potential victims a week or more in advance. A Stanford ...
Planetary scientists close in on Saturn’s elusive rotation
Dec 12, 2007 |
3.7 / 5 (15) |
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Somewhere deep below Saturn’s cloud tops, the planet rotates at a constant speed. Determining this interior period of rotation has proven extremely complicated. Now, with new Cassini results, a team of European ...
Fuel cells help make noisy, hot generators a thing of the past
Dec 12, 2007 |
4.3 / 5 (12) |
1
Two core technologies developed at the Department of Energy's Pacific Northwest National Laboratory - a fuel desulfurization system and a fuel reforming system - were instrumental in the demonstration of an ...
