Evidence of a Bose glass state? May 30, 2008 | User rating: 4.5 / 5 after 51 vote(s)
| User comments: 1
"In nano-sized systems many physical properties are greatly altered from those of macroscopic-sized systems. Therefore, study of nano-sized systems, in general, is very important in developing fundamental physics," Keiya ... | |
 A Test of the Copernican Principle May 22, 2008 | User rating: 4.3 / 5 after 93 vote(s)
| User comments: 37
The Copernican principle states that the Earth is not the center of the universe, and that, as observers, we don’t occupy a special place. First stated by Copernicus in the 16th century, today the idea is ... | |
 Toy-Like Microboat Could Carry Tiny Cargoes May 21, 2008 | User rating: 3.8 / 5 after 48 vote(s)
| User comments: 4
As a child, Cheng Luo, an engineer from the University of Texas at Arlington, recalls playing with wooden toy boats that were propelled forward when a drop of oil was placed on the back of the boats. When ... | |
 A Smarter Way to Grow Graphene May 14, 2008 | User rating: 4.6 / 5 after 57 vote(s)
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Graphene, a sheet of carbon just one atom thick, has many potential uses in the electronics industry, but producing these ideal two-dimensional carbon sheets is very difficult and, as a result, their use has ... | |
Precise Alignment to Quantum Dots May 12, 2008 | User rating: 4.7 / 5 after 33 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. | |
 Researchers Observe Hydrogen-Bond Exchange May 08, 2008 | User rating: 4.5 / 5 after 51 vote(s)
| User comments: 7
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, ... | |
Is quantum Internet search on the way? May 06, 2008 | User rating: 3.7 / 5 after 39 vote(s)
| User comments: 2
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 ... | |
 Physicists Build a Quantum Gambling Machine April 30, 2008 | User rating: 4 / 5 after 34 vote(s)
| User comments: 3
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 ... | |
 Can a Polymer Help Curb Arctic Ice Melting? April 29, 2008 | User rating: 3.3 / 5 after 39 vote(s)
| User comments: 14
In order to help prevent the melting of Arctic ice, a process that has been occurring at alarming rates in recent years, which many scientists believe is due gradual global warming, a group of researchers ... | |
Distinguishing decoherence in quantum systems April 22, 2008 | User rating: 4.6 / 5 after 54 vote(s)
| User comments: 4
“Over the years, work on Bose-Einstein condensates, known as BEC, have led to more and more interesting phenomena,” Artur Widera tells PhysOrg.com. “This is because they behave according to quantum mechanics, and are ... | |
Measurement precision beats standard quantum limit April 21, 2008 | User rating: 4.6 / 5 after 62 vote(s)
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For physicists, measuring the precise magnitude of a physical quantity is a key to understanding quantum mechanics. However, there is a limit to how precise a measurement can be made, which is governed by quantum mechanical ... | |
Can three-photon absorption lead to better bio-imaging? April 18, 2008 | User rating: 4.1 / 5 after 31 vote(s)
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One of the more interesting concepts being looked at in terms of quantum chemistry is that of three-photon absorption (3PA). 3PA works when three photons are simultaneously absorbed in one event. Because three photon absorption ... | |
 The Ultimate Test of Atom and Neutron Neutrality April 17, 2008 | User rating: 4.6 / 5 after 45 vote(s)
| User comments: 3
Researchers from Stanford University have proposed a new way to test the neutrality of an atom and even a neutron, a method they say will be far more sensitive than current methods, able to probe the charge ... | |
 Atomic-Level Mechanisms of Phase-Change Memory Materials Revealed April 15, 2008 | User rating: 4.6 / 5 after 42 vote(s)
| User comments: 1
Scientists from the University of Cambridge in the UK have uncovered the atomic-level interactions that occur when a class of “phase-change” memory materials stores information. Their work, reported in the ... | |
 Physicists model how we form opinions April 14, 2008 | User rating: 4.2 / 5 after 63 vote(s)
| User comments: 4
In large part, a society’s image stems from its overall opinions – its political, religious, and ethical beliefs – and how much diversity it tolerates. For example, how do some areas develop images of being ... | |
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