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2012-03-29 02:28:20

Scientists discover zero-sound oscillations of atomic wavelength in super-chilled helium Scientists working at the Institut Laue-Langevin, one of the world's leading centres for neutron science, have carried out the first investigation of two-dimensional fermion liquids using neutron scattering, and discovered a new type of very short wave-length density wave. The team believe their discovery will interest researchers looking at electronic systems, since high temperature superconductivity...

2012-03-29 00:11:57

Wave Properties of Individual Heavy Molecules Can Also Be Observed Experimentally/Video Shows Development of Interference Pattern in (Nearly) Real Time Quantum theory describes the world of atoms very precisely. Still, it defies our macroscopic conception of everyday´s world due to its many anti-intuitive predictions. The wave-particle dualism probably is the best known example and means that matter may spread and interfere like waves. Now, an international team of researchers has...

2012-03-26 23:34:36

New physical attraction between ions in quantum plasmas Nowadays, ever smaller and more powerful computer chips are in demand. RUB physicists have discovered a new physical attraction that accelerates this progress. Prof. Dr. Padma Kant Shukla and Dr. Bengt Eliasson found a previously unknown phenomenon in quantum plasmas. A negatively charged potential makes it possible to combine positively charged particles (ions) in atom-like structures within the plasma. In this way, current can be...

Spoofing Flaw Discovered In Safari Mobile Browser
2012-03-24 07:41:24

Computer security experts have discovered a new vulnerability in Apple's mobile Safari web browser that can make it look like a user is visiting one website when, in actuality, they are looking at a page located elsewhere. According to Andrew Webster of The Verge, the security flaw is present in Safari for iOS 5.1 and was discovered earlier this month by members of the Germany security firm MajorSecurity. The vulnerability "makes it possible to put a spoof URL in the address bar to trick...

2012-03-22 13:41:09

UCLA researchers are now able to peer deep within the world's tiniest structures to create three-dimensional images of individual atoms and their positions. Their research, published March 22 in the journal Nature, presents a new method for directly measuring the atomic structure of nanomaterials. "This is the first experiment where we can directly see local structures in three dimensions at atomic-scale resolution – that's never been done before," said Jianwei (John) Miao, a...

Image 1 - Ultracold Experiments Heat Up Quantum Research
2012-03-21 04:17:04

University of Chicago physicists have experimentally demonstrated, for the first time, that atoms chilled to temperatures near absolute zero may behave like seemingly unrelated natural systems of vastly different scales, offering potential insights into links between the atomic realm and deep questions of cosmology. This ultracold state, called “quantum criticality,” hints at similarities between such diverse phenomena as the gravitational dynamics of black holes or the exotic...

Image 1 - New Blueprint To Keep Nuclear Clock Accurate Over Billions Of Years
2012-03-20 04:00:26

A clock accurate to within a tenth of a second over 14 billion years — the age of the universe — is the goal of research being reported this week by scientists from three different institutions. To be published in the journal Physical Review Letters, the research provides the blueprint for a nuclear clock that would get its extreme accuracy from the nucleus of a single thorium ion. Such a clock could be useful for certain forms of secure communication — and perhaps of...

2012-03-16 09:37:52

A team of international researchers have fired ultra-fast shots of light at oxygen, nitrogen and carbon monoxide molecules as part of a development aimed at mapping the astonishingly quick movements of atoms within molecules, as well as the charges that surround them. The ultra-short laser that spans only a few hundred attoseconds — an attosecond is equivalent to one quintillionth of a second — was fired in a sample of molecules and could pave the way towards imaging the...


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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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Word of the Day
barghest
  • A goblin in English folklore, often appearing in the shape of a large dog and believed to portend imminent death or misfortune.
  • A ghost, wraith, hobgoblin, elf, or spirit.
The origin of 'barghest' is not known, but it may be from perhaps burh-ghest, town-ghost, or German Berg-geist (mountain spirit) or Bär-geist (bear-spirit).
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