A new kind of counting: Scientists develop computer algorithm to solve previously unsolvable counting problems
Feb 11, 2009 |
4.8 / 5 (33) |
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(PhysOrg.com) -- How many different sudokus are there? How many different ways are there to color in the countries on a map? And how do atoms behave in a solid? Researchers at the Max Planck Institute for ...
Cosmologists 'see' the cosmic dawn
Feb 11, 2009 |
3.4 / 5 (21) |
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(PhysOrg.com) -- The images, produced by scientists at Durham University's Institute for Computational Cosmology, show the "Cosmic Dawn" - the formation of the first big galaxies in the Universe.
Dangerous laser printer particles identified
Feb 11, 2009 |
4.7 / 5 (14) |
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The identity and origin of tiny, potentially hazardous particles emitted from common laser printers have been revealed by a new study at Queensland University of Technology.
New High Frequency Amplifier Harnesses Millimeter Waves in Silicon for Fast Wireless
Feb 11, 2009 |
4.8 / 5 (11) |
4
(PhysOrg.com) -- New imaging and high capacity wireless communications systems are one step closer to reality, thanks to a millimeter wave amplifier invented at the University of California, San Diego and ...
Why Sleep is Needed to Form Memories
Feb 11, 2009 |
4.9 / 5 (10) |
0
If you ever argued with your mother when she told you to get some sleep after studying for an exam instead of pulling an all-nighter, you owe her an apology, because it turns out she's right. And now, scientists ...
Actinide research published in Reviews of Modern Physics
Feb 11, 2009 |
4.8 / 5 (10) |
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(PhysOrg.com) -- A Livermore researcher who teamed with a United Kingdom collaborator has published an article in Reviews of Modern Physics that refines decades of actinide science and may just become the preeminent research ...
Did increased gene duplication set the stage for human evolution?
Biology /
Feb 11, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans. Segments of DNA in its genome began to form duplicate copies at a greater ...
Avoiding the hothouse and the icehouse
Space & Earth / Earth Sciences
Feb 11, 2009 |
2.7 / 5 (14) |
10
By controlling emissions of fossil fuels we may be able to greatly delay the start of the next ice age, new research from the Niels Bohr Institute at University of Copenhagen concludes. The results have been ...
Engineers revolutionize nano-device fabrication using amorphous metals
Nanotechnology / Nanomaterials
Feb 11, 2009 |
4.4 / 5 (7) |
1
Yale engineers have created a process that may revolutionize the manufacture of nano-devices from computer memory to biomedical sensors by exploiting a novel type of metal. The material can be molded like plastics to create ...
Beneath the surface
Space & Earth / Earth Sciences
Feb 11, 2009 |
5 / 5 (6) |
0
It was the geological collision between India and Asia millions of years ago that created one of the world's most distinctive places: The area around Lake Baikal in Siberia, which contains 20 per cent of the world's fresh ...
Enzyme cocktail converts cellulosic materials, water into hydrogen fuel
Feb 11, 2009 |
5 / 5 (5) |
2
Tomorrow's fuel-cell vehicles may be powered by enzymes that consume cellulose from woodchips or grass and exhale hydrogen.
Apple's restriction-free music downloads create pause
Feb 11, 2009 |
3.3 / 5 (7) |
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When Apple Inc. announced in January that it would sell restriction-free music files, that was supposed to mean consumers could buy songs and play them on the portable gadget of their choice.
Born to be wild? Thrill-seeking behavior may be based in the brain
Medicine & Health / Psychology & Psychiatry
Feb 11, 2009 |
4.4 / 5 (5) |
0
Sky diving and base jumping are not for everyone. However, for certain people, the more risk and adrenaline involved in an activity, the better! What draws some people to daredevil behavior while others shy away from it? ...
How do you solve a problem like MARIA?
Feb 11, 2009 |
5 / 5 (4) |
3
A chance conversation between Alan Preece, Professor of Medical Physics in the Bristol Oncology Centre, and Dr Ian Craddock from the Department of Electrical and Electronic Engineering has led to the development ...
Free, open-source software enables innovation with popular but tricky lab technique
Feb 11, 2009 |
5 / 5 (4) |
0
(PhysOrg.com) -- When scientists need to detect and analyze DNA, or traces of a bioweapon or maybe an environmental contaminant, there's a good chance they'll turn to a lab technique called electrophoresis—or one of its many ...
