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Mapping The Nuclear Landscape
2012-06-28 04:15:29

An Oak Ridge National Laboratory and University of Tennessee team has used the Department of Energy's Jaguar supercomputer to calculate the number of isotopes allowed by the laws of physics. The team, led by Witek Nazarewicz, used a quantum approach known as density functional theory, applying it independently to six leading models of the nuclear interaction to determine that there are about 7,000 possible combinations of protons and neutrons allowed in bound nuclei with up to 120 protons (a...

2012-06-21 23:37:27

Key experiment in nuclear physics Stable tin, as we know it, comprises 112 nuclear particles — 50 protons and 632 neutrons. The neutrons act as a kind of buffer between the electrically repelling protons and prevent normal tin from decaying. According to the shell model of nuclear physics, 50 is a "magic number" that gives rise to special properties. Tin-100, with 50 protons and 50 neutrons, is "doubly magic," making it particularly interesting for nuclear physicists. Shooting...

2012-06-20 19:13:41

A team of chemists at the University of Geneva have finally demonstrated the utility of the rare halogen bond which acts as a anions transporter Professor Stefan Matile does not mention whether, as a child, he was a big fan of Lego. However, as an adult, he is fascinated by the game of molecular construction. Using the rules of chemistry, it is possible to artificially assemble all kinds of molecules and even nanomachines. However, chemists in this area feel their creativity constrained...

Black Holes Could Help Detect Hypothetical Particle
2012-06-19 05:48:11

Lee Rannals for redOrbit.com Scientists have determined that previously undetected particles could be seen as they accumulate around black holes. Vienna University of Technology scientists have discovered a method to prove the existence of hypothetical "axions," which are particles with a very low mass. “The existence of axions is not proven, but it is considered to be quite likely”, Daniel Grumiller, a researcher on the project, said in a press release. Grumiller,...

2012-06-18 10:45:38

Ongoing saga of building a better fuel cell catalyst goes holistic The design of a nature-inspired material that can make energy-storing hydrogen gas has gone holistic. Usually, tweaking the design of this particular catalyst -- a work in progress for cheaper, better fuel cells -- results in either faster or more energy efficient production but not both. Now, researchers have found a condition that creates hydrogen faster without a loss in efficiency. And, holistically, it requires the...

Precise Measurement Of Radiation Damage Identified
2012-06-06 06:55:26

Lawrence Livermore National Laboratory researchers have for the first time simulated and quantified the early stages of radiation damage that will occur in a given material. "A full understanding of the early stages of the radiation damage process provides knowledge and tools to manipulate them to our advantage," said Alfredo Correa, a Lawrence Fellow from Lawrence Livermore National Laboratory in the Quantum Simulations Group. Nuclear radiation leads to highly energetic ions that can...

2012-06-05 11:31:01

Physicists from the University of Bonn split an atom using quantum mechanics precision Researchers from the University of Bonn have just shown how a single atom can be split into its two halves, pulled apart and put back together again. While the word "atom" literally means "indivisible," the laws of quantum mechanics allow dividing atoms - similarly to light rays - and reuniting them. The researchers want to build quantum mechanics bridges by letting the atom touch adjacent atoms while it...

2012-06-04 06:24:42

NORWALK, Conn., June 4, 2012 /PRNewswire/ -- UBM Medica US today announced that ConsultantLive's PhotoClinic Mobile application, a diagnostic and treatment tool for healthcare providers, was recognized by the Web Marketing Association (WMA) with a 2012 Mobile Web Award for leadership in advertising through innovative digital technologies. Distributed as a free, advertising-supported iPhone application, PhotoClinic Mobile was honored with the Best Health Care Mobile...

2012-06-01 11:09:13

Scientists at the Vienna University of Technology found a method to locate single gold atoms on a surface. This should pave the way to better and cheaper catalysts. Most people value large chunks of gold — but scientists at the Vienna University of Technology are interested in gold at the smallest possible scale, because single gold atoms are potentially the most reactive catalysts for chemical reactions. However, when gold atoms are placed on a surface they tend to ball up into tiny...

2012-05-31 01:14:40

The storage of light-encoded messages on film and compact disks and as holograms is ubiquitous---grocery scanners, Netflix disks, credit-card images are just a few examples. And now light signals can be stored as patterns in a room-temperature vapor of atoms. Scientists at the Joint Quantum Institute have stored not one but two letters of the alphabet in a tiny cell filled with rubidium (Rb) atoms which are tailored to absorb and later re-emit messages on demand. This is the first time two...


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Web Feed
2013-02-17 09:41:03

Image Caption: This icon, known as the "feed icon" or the "RSS icon", was introduced in Mozilla Firefox in order to indicate a web feed was present on a particular web page that could be used in conjunction with the Live bookmarks function. Microsoft Internet Explorer, Opera and some other browsers have adopted the icon in order to promote a de facto standard. Credit: Mozilla/Wikipedia A web feed is a data format that provides the user with regularly updated content. It is also...

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