Precise Alignment to Quantum Dots 23 hours ago | User rating: 4.7 / 5 after 23 vote(s)
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“Precise lithographic alignment to site-controlled quantum dots is of major importance for numerous nano-photonic, nano-electronic and nano-spintronic devices,” Sven Höfling tells PhysOrg.com. | |
Black holes not black after all 20 hours ago | User rating: 4 / 5 after 45 vote(s)
| User comments: 11
International scientists have used flowing water to simulate a black hole, testing Stephen Hawking's theory that black holes are not black after all. | |
 Researchers Observe Hydrogen-Bond Exchange May 08, 2008 | User rating: 4.7 / 5 after 45 vote(s)
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Hydrogen bonds are quite small, on the level of a few angstroms. They can also be passed between two different molecules very quickly, at speeds of tens of times per second. But in spite of these properties, ... | |
 Quantum computers take step toward practicality with demonstration of new device May 09, 2008 | User rating: 4.5 / 5 after 59 vote(s)
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Computers based on the powerful properties of quantum mechanics have the potential to revolutionize information technology and security, but for decades they have remained more theoretical than practical, ... | |
Is quantum Internet search on the way? May 06, 2008 | User rating: 3.7 / 5 after 36 vote(s)
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In classical computing, random access memory (RAM) is needed to make things “work.” But it is subject to a certain level of energy loss. But what if you could create low-energy quantum access memory (QRAM) that would not ... | |
Researchers demonstrate for the first time how light squeezes through small holes May 08, 2008 | User rating: 4.4 / 5 after 43 vote(s)
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How does light pass through a tiny hole" For the first time, Dr Aurele Adam and Prof. Paul Planken of Delft University of Technology, in conjunction with two South Korean and one German research groups, have succeeded in ... | |
 A 'squeeze' in cuprates may explain superconducting temperatures May 07, 2008 | User rating: 4.7 / 5 after 34 vote(s)
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New experiments at Cornell have verified a theory that variations in the distance between atoms in cuprate superconductors account for differences in the temperature at which the material begins to superconduct. ... | |
 Physicists Build a Quantum Gambling Machine April 30, 2008 | User rating: 3.9 / 5 after 32 vote(s)
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Quantum gambling machines may not be popping up at futuristic casinos any time soon, but the devices could have other uses – such as enabling physicists to study game theory in situations where cheating is ... | |
Physicist confines plasma components in a trap within a trap May 06, 2008 | User rating: 4.6 / 5 after 23 vote(s)
| User comments: 1
A University of Michigan professor has taken a step toward simulating a type of matter found in the crusts of neutron stars, in the cores of gas giant planets, and in exotic plasmas thought to be present in the earliest universe. | |
 Record-setting Laser May Aid Searches for Earthlike Planets May 05, 2008 | User rating: 4.6 / 5 after 45 vote(s)
| User comments: 2
Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology (NIST) have demonstrated an ultrafast laser that offers a record combination of high speed, short ... | |
Made-to-order isotopes hold promise on science's frontier May 08, 2008 | User rating: 3.9 / 5 after 10 vote(s)
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Designer labels have a lot of cachet -- a principle that’s equally true in fashion and physics. The future of nuclear physics is in designer isotopes -- the relatively new power scientists have to make specific rare isotopes ... | |
 FSU researchers make observing cell functions easier May 08, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet
Now that the genome (DNA) of humans and many other organisms have been sequenced, biologists are turning their attention to discovering how the many thousands of structural and control genes -- the “worker ... | |
 New technique measures ultrashort laser pulses at focus May 08, 2008 | User rating: 4.5 / 5 after 13 vote(s)
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Lasers that emit ultrashort pulses of light are used for numerous applications including micromachining, microscopy, laser eye surgery, spectroscopy and controlling chemical reactions. But the quality of the ... | |
 Researchers Prove Existence of New Basic Element for Electronic Circuits -- 'Memristor' April 30, 2008 | User rating: 4.6 / 5 after 176 vote(s)
| User comments: 28
HP today announced that researchers from HP Labs have proven the existence of what had previously been only theorized as the fourth fundamental circuit element in electrical engineering. | |
 Iron 'snow' helps maintain Mercury's magnetic field, scientists say May 07, 2008 | User rating: 3.5 / 5 after 15 vote(s)
| User comments: 4
New scientific evidence suggests that deep inside the planet Mercury, iron “snow” forms and falls toward the center of the planet, much like snowflakes form in Earth’s atmosphere and fall to the ground. | |
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