 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 55 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: 4.5 / 5 after 44 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 ... | |
 Before the Big Bang: A Twin Universe? April 09, 2008 | User rating: 4.3 / 5 after 275 vote(s)
| User comments: 30
Until very recently, asking what happened at or before the Big Bang was considered by physicists to be a religious question. General relativity theory just doesn’t go there – at T=0, it spews out zeros, infinities, ... | |
 Scientists Construct Model of the World Wide Web April 08, 2008 | User rating: 3.4 / 5 after 55 vote(s)
| User comments: 1
Although the Internet contains well over 100 million Web sites, two electrical engineers think they know what the traffic patterns of the entire Web look like. | |
Entanglement on demand April 07, 2008 | User rating: 4.5 / 5 after 57 vote(s)
| User comments: 1
One of the problems in quantum information processing is inefficiency. Photon entanglement is generally considered a leading candidate for quantum computing (it is used for teleportation and cryptography), but right now it ... | |
An Invisible Cloak for Magnetism March 31, 2008 | User rating: 4.5 / 5 after 78 vote(s)
| User comments: 11
The subject of metamaterials is mad science at its finest – researchers trying to create materials with properties that don’t exist in nature, and that cannot be made with ordinary atoms. | |
Advancing the study of antimatter March 26, 2008 | User rating: 4.4 / 5 after 79 vote(s)
| User comments: 4
“Right now, most physicists would predict that hydrogen and antihydrogen have the same properties,” Gerald Gabrielse tells Physorg.com, “What’s irresistible is that we of the opportunity to – potentially – look for ... | |
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