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The link between mass and acceleration is clear to anyone. The mass of a body and the force that acts on it determine how fast that particular object will travel when the force is applied. Given a force of a specified value, a lighter object will always be accelerated faster than a heavier one, for the simple reason ... |
12 April 2010 10:45 GMT |
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A group of Spanish scientists from the UPC Lightning Research Group have been chasing storms for the past decade. Every time massive clouds threaten to bring about large amounts of rain, they set out to gather data on the phenomenon in their specially-equipped van. Their goal is to gain a deeper understanding of the ... |
27 March 2010 07:45 GMT |
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In a groundbreaking experiment, investigators at the University of Minnesota, in the United States, recently managed to confirm the existence of giant saturation magnetization materials. In addition to this achievement, the group also managed to demonstrate that the predicted limit of maximum magnetism for an object ... |
22 March 2010 07:28 GMT |
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Most modern-day cell phones have at least one camera, which can be used either for visual communications, or for snapping images of the user's surroundings. But one thing that makes these cameras stand out, and not in a good way, is the fact that they produce photos of reduced quality, which almost always look g... |
22 March 2010 04:05 GMT |
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According to a new investigation presented at a recent scientific conference, it would appear that a class of very little-studied materials known as topological insulators may hold the key for physicists gaining new insight into exotic particles that have thus far only been hypothesized to exist. They have never been... |
17 March 2010 16:01 GMT |
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Scientists involved in the Borexino experiment managed to recently identify the first traces of geo-neutrinos in their detector, a facility buried under 1.5 kilometers of mountain. Located in Italy, underneath the Gran Sasso mountain, near l'Aquila, the 80-scientist endeavor managed to identify tell-tale signs o... |
16 March 2010 19:01 GMT |
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Experts at the European Space Agency (ESA) recently detailed a new method of producing killer electrons, deadly variants of the common, more “peaceful” type. Based on data collected by the ESA Cluster satellites, the new study seems to suggest that shock waves sent through the solar system by solar storms... |
11 March 2010 09:04 GMT |
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Experts have recently identified a never-before-seen phenomenon inside carbon nanotubes, which manifests itself through powerful waves of electricity being discharged from carbon nanotubes. The team of Massachusetts Institute of Technology (MIT) researchers that found this strange occurrence named the phenomenon ther... |
8 March 2010 05:03 GMT |
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Many physicists today believe that the elementary particles known as neutrons may hold the key to a wide range of improvements in many fields of science nowadays. This may seem a bit off for those of you who know that these particles are neutrally-charged, slightly bigger than a proton, and inconsequential in most ca... |
25 February 2010 10:54 GMT |
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A professor at the Princeton University has recently managed to eliminate one of the major hurdles plaguing the field of quantum computing, when he has developed a method of altering the properties of a single electron in a sea of other electrons. The finding is absolutely fundamental to developing the new, heavily i... |
8 February 2010 06:31 GMT |
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Over the past two years, numerous scientific experiments have discovered an unusually large number of galactic electrons whirling around the galaxy, and around our planet. As there were no accurate models to explain the existence of these particles, some researchers proposed that they might have been produced by near... |
29 January 2010 02:28 GMT |
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Physicists have announced that they were finally able to demonstrate quantum entanglement in particles inside solid-state systems, which is a world first. Until now, the amazing effect has only been proven to exist in photons navigating optical systems, but never in solid-state devices. Two of the most important appl... |
11 January 2010 18:01 GMT |
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Scientists at the Rice University have recently determined that certain types of superconductors are able to carry electrons indefinitely – as in to store electrical energy – only if those electrons have certain magnetic properties. The new discovery, which was made by US and Chinese experts, may help phy... |
11 January 2010 06:30 GMT |
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Consider the following situation in which an oil tanker capsizes and spills thousands of gallons of crude into the sea. This is the recipe for ecological disaster by any book, and scientists have been working on devising a way of mitigating the effects of such an accident ever since the Exxon Valdez incident. Now, wi... |
18 December 2009 20:01 GMT |
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Engineers working on rocket propulsion systems realized a few decades ago that chemical reactions would at one point reach a stage in which advancement would do little to increase a delivery system's overall thrust. They began working on new system, which they believed could one day successfully replace oxygen- ... |
9 December 2009 09:10 GMT |
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Experts at the Helsinki University of Technology, in Finland, the University of New South Wales, in Australia, and the University of Melbourne announce the development of a single-atom transistor. The component works by sequentially channeling a flow of electrons through the same phosphorus atom, the team says. The a... |
7 December 2009 02:17 GMT |
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A new scientific paper shows that, soon, silicon-based chips could no longer need electrical current to operate. The work details the advancements that were made in controlling electrons' spin, as opposed to their charge. At this point, microchips must absolutely have electrical current in order to handle data, ... |
26 November 2009 03:40 GMT |
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Scientists at the Delft University of Technology Kavli Institute for Nanosciences, in the Netherlands, have recently managed to gain new control over the environment of quantum particles, which may make it possible to finally construct a working quantum computer. The new finds essentially allow researchers to exercis... |
9 November 2009 16:31 GMT |
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The American space agency has great plans for the future, including the prospect of colonizing the Moon and sending astronaut expeditions to the Red Planet. However, all of these ambitious plans are heavily reliant on one thing, and that is the ability to produce things off-world. For example, manufacturing space par... |
5 November 2009 03:12 GMT |
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Texas A&M University Physics Professor Jairo Sinova believes that he may have discovered a novel way of keeping laptop temperatures low, while also giving information technology a new and unique twist. According to the expert, the instances in which your laptop is simply too hot to sit on your lap may soon become... |
30 October 2009 06:50 GMT |
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Scientists at the University of Cincinnati have recently discovered an innovative, new method of controlling the spin orientation of electrons – an area of research known as spintronics – using nothing more than electrical means. This has long since been hypothesized as possible, but has never been scient... |
28 October 2009 04:23 GMT |
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Graphene, the one-atom-thick sheet of carbon atoms that was discovered in 2004 at the University of Manchester, is the most avidly researched material today in the field of condensed-matter physics. Because electrons flow in a very peculiar way through it, experts believe it may constitute the replacement of choice f... |
15 October 2009 04:55 GMT |
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The main issue plaguing researchers trying to devise quantum computers today is the fact that it's considerably more difficult to entangle electrons than it is to entangle photons. If that became a reality, then experts could finally use superconductor materials as a source of entangled electrons, which could le... |
15 October 2009 03:01 GMT |
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The idea that electric “continuous currents” flowed inside small metal rings indefinitely was proposed since the earliest days of quantum physics, in the 1920s and 1930s. At the time, it was stated that the currents were small, but that they flowed through the rings indefinitely, regardless of whether or ... |
9 October 2009 08:37 GMT |
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Over the years, electron microscopes have generated a wealth of knowledge on many small things, but experts have always resented the fact that the instruments cannot be used to image living samples. The beams of electrons this type of microscope uses to get the job done is very energetic, and can, at best, easily dis... |
7 October 2009 03:43 GMT |
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In a groundbreaking new study that may change the way radio signals are bounced around the world in communications networks, experts managed to create an artificial ionosphere patch in the sky, by shooting powerful radio waves into the air. The “original” ionosphere is the uppermost portion of the Earth... |
3 October 2009 05:07 GMT |
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Scientists at the University of California in Santa Barbara (UCSB) have recently managed to demonstrate that the quantum entanglement effect – one of the basic ones in quantum physics – can be observed at a large scale as well, and that it is not necessarily confined to the elementary-particle level. The ... |
29 September 2009 06:58 GMT |
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Experts at the University of California in San Diego (UCSD) have recently reaffirmed their role as leading experts in the field of electronics. Last summer, they created an integrated circuit capable of working at 1.5 degrees Kelvin above absolute zero. Those temperatures are colder than most places in the Universe, ... |
28 September 2009 04:05 GMT |
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Currently, producing X-rays is a fairly difficult process, which requires some impressive and expensive facilities in order to run smoothly. For a long time, researchers have tried to eliminate this aspect of scientific research, and it would now appear that scientists at the Max Planck Institute for Quantum Optics, ... |
28 September 2009 02:48 GMT |
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An international research effort, consisting of scientists from Australia and the United States, has recently beaten the world record in terms of solar-cell efficiency by 0.3 percent, and reached a total conversion rate of 43 percent. Details of the amazing work, which has the ability to completely change the way in ... |
21 September 2009 09:49 GMT |
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UltraFast Innovations GmbH is a joint initiative from German researchers at the Ludwig-Maximilians-Universität (LMU), in Munich, and the Max Planck Society (MPS), which aims at providing research communities with dedicated optical systems, capable of keeping track of things as small as electrons moving from one ... |
17 September 2009 04:15 GMT |
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Physicists from the Max Planck Institute of Quantum Optics (MPQ), in Garching, and chemists from the Ludwig-Maximilians-Universitat (LMU), in Munich, Germany, have recently managed to devise a new way of controlling single electrons inside complex molecules. Among swarms of other electrons, the team's method is ... |
2 September 2009 04:34 GMT |
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For more than two decades, Hubbard's Model has been the standard in predicting and calculating the behavior of high-temperature superconductors in the field of physics. Experts at the University of British Columbia (UBC) have recently demonstrated that, under certain conditions, this model fails. The study could... |
20 August 2009 10:34 GMT |
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Over recent years, astronomers have expressed their amazement at the fluxes of electrons and their antimatter counterparts, the positrons, that were recorded throughout the Milky Way. They tried to explain these occurrences by saying that the positrons could be produced by dark matter, but a new investigation sheds l... |
17 August 2009 22:01 GMT |
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Experts from the University of Sheffield, in the UK, the Ecole Normale Superieure, in Paris, France, and the Forschungszentrum Dresden-Rossendorf, in Germany, have recently developed a new type of quantum dot, which is finally able to confirm a long-standing, but never verified theory. The idea states that electrons ... |
17 August 2009 18:51 GMT |
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Experts from the Universities of Cambridge and Birmingham recently discovered that electrons could, indeed, be split into further divisions, in spite of established knowledge. In their experiments, the scientists showed that electrons crowded into narrow wires actually split into particles known as spinons and holons... |
31 July 2009 20:11 GMT |
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X-rays have been identified as one of the most energetic forms of light in the Universe over the years, and their power has been harnessed to create scanners in airports and radiotherapy. However, it's only now that their true power is starting to be tapped into, researchers announce. Scientists at the Universi... |
29 July 2009 01:51 GMT |
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Technische Universitat Dortumund Professor Manfred Bayer, an experimental physicist, has recently been awarded a 1.5-million-euro grant through the Deutsche Forschungsgesellschaft's (DFG) “Reinhard Koselleck-Program,” which has enabled him to conduct groundbreaking research in the field of ultrafast ... |
24 July 2009 03:09 GMT |
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As every doctor who ever operated inside a patient without actually seeing what they were doing can tell you, having a device that shows precisely what is happening in a non-intrusive manner could be the decisive advantage in saving a patient's life. For a long time, physicists have postulated that it could be p... |
16 June 2009 17:41 GMT |
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Experts at the University of Texas in Austin have recently announced the creation of the world's thinnest stretch of superconducting material. Made entirely out of lead, the sheet measures only two atoms in thickness, a true achievement, given the physical and chemical properties of the metal. In charge of the r... |
9 June 2009 09:08 GMT |
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Astronomers at the University of Delaware have recently launched a new observation balloon in Sweden, which will fly at the high edge of the Earth's atmosphere, above the Atlantic Ocean, and will attempt to collect readings on cosmic radiation at high altitude. The instrument, which is longer than a football fie... |
22 May 2009 04:23 GMT |
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Georgia Institute of Technology (GIT) and the National Institute of Standards and Technology (NIST) experts have announced that they managed to determine the energy spectrum of graphene, the “wonder” carbon compound that has only two dimensions. By using complex measurement techniques, they succeeded in d... |
15 May 2009 08:47 GMT |
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During 2008, a number of scientific observations conducted in the upper atmosphere and in deep space yielded very promising results for research teams looking for the elusive dark matter around our planet. Large amounts of high-energy electrons were discovered just outside the Earth, and astronomers hypothesized that... |
7 May 2009 14:41 GMT |
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Researchers at the University of California in Davis (UCD) have recently discovered a new type of material, just six-atoms thick, which exhibits two different sets of properties, depending on the spin of its electrons. That is, when the small particles move back and forth, their physical traits indicate something, wh... |
6 May 2009 04:03 GMT |
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In laser sciences, the photoelectric effect is a phenomenon that explains why stimulated light can rip electrons from their orbits around atomic nuclei and carry them away. But this theorem is about to be rewritten, some physicists say. In recent tests, they have noticed that, when using very powerful UV lasers, not ... |
4 May 2009 04:10 GMT |
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It's common knowledge that gold is one of the most ductile materials. Architects are able to cover hundreds of square meters of building roofs with only a few grams of the stuff, which was the main reason why it was so widely used in the past, for decorating regal palaces and official structures of most empires ... |
23 January 2009 05:46 GMT |
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Unlike typical cathode ray displays that produce images on a screen by bombarding electrons into a layer of phosphorous, liquid crystal displays can't actually produce their light while functioning. This is because the pixels on an LCD are basically like little shutters that vary their opacity accordingly to the... |
28 July 2008 08:53 GMT |
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Electrons are subatomic elementary particles bearing the negative electric charge inside the atom. In empty space, the motion of the electrons is largely dependent on the presence of electrical and magnetic fields, but inside matter, the way they move is directly related to the atomic arrangement of the crystal, mean... |
28 July 2008 06:53 GMT |
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Plasma has two main components, the positive and the negative clouds of gas mixed in different proportions. Neutral plasma containing equal amounts of positive and negative charges is called strongly-coupled plasma and occurs naturally on the surface of neutron stars, the cores of gas giants and may have even been th... |
7 May 2008 03:54 GMT |
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Well, we know how to turn materials into superconductors; it is about the time to learn how to create superinsulators. We cannot have one without the other, can we? In fact, superinsulators are just the opposite of superconductors. While superconductors experience zero or close to zero electrical resistance, superins... |
3 April 2008 04:29 GMT |
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