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Stories about: wavelengths |
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Starting yesterday, November 18, a large number of space telescopes around the world have begun to map the skies around our planet, with the express goal of creating a new reference system for future space observations. Just like the GPS reports your position depending on latitude and longitude, so too the position o... |
19 November 2009 03:06 GMT |
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NASA officials announce that the space agency's latest telescope, the Wide-field Infrared Survey Explore (WISE) instrument, has finished undergoing preparations, and is currently set for a Friday, November 20, roll-out date. The observatory has been chilled to its operating temperature, and has already been outf... |
18 November 2009 04:12 GMT |
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Between Wednesday, November 18, and Thursday, November 19, more than 35 radio telescopes around the world will take part in the largest effort ever of creating a sky grid. This system of reference will allow astronomers to better detect the position of various celestial objects, relative to the position of the Earth.... |
17 November 2009 04:01 GMT |
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With the inevitable advent of metamaterials and invisibility cloaks, the world is eager to know precisely how a hidden object would look like in real life. While practical applications are still some time away, German researchers at the Karlsruhe Institute of Technology have recently released a series of pictures on ... |
13 November 2009 19:31 GMT |
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Scientists at the Max Planck Institute for Solar System Research, in Katlenburg-Lindau, Germany, working together with investigators from Spain and the United States, have recently released the early results of a new study on the Sun. Gathered by the SUNRISE balloon-borne telescope, the new images of the star's ... |
12 November 2009 04:44 GMT |
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Usually, when analyzing the skies with advanced telescopes, the only types of black holes whose existence can be inferred from their effects on normal matter are either the small or the supermassive kind. For many years, there seemed to be no intermediary stages in their development, a fact that had astronomers puzzl... |
11 November 2009 14:31 GMT |
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Astronomers working on radio observatories in the United States are, at this point having a field day. Most television networks have moved to all-digital signals this June, and so a significant portion of the electromagnetic spectrum, on which they sent their signals before, has now been cleared of “chatter&rdq... |
6 November 2009 21:51 GMT |
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Terahertz radiation occupies the wavelengths that connect microwaves to infrared and is currently considered to be one of the most promising areas of research out there. Over the past decade, more and more researchers have dedicated their work to this form of radiation, which has the amazing ability of penetrating th... |
30 October 2009 21:51 GMT |
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Measuring the frequencies of visible light is not exactly the most difficult thing to do, but a team of experts at the National Institutes of Standards and Technology (NIST), in the United States, and the University of Konstanz, in Germany, has just finished developing a new tool that will make this process ev... |
30 October 2009 08:07 GMT |
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In a groundbreaking, new discovery that has the potential to change the methodology of biomolecular studies around the world, scientists have managed to create a new investigation method for looking inside protein molecules and at how they bind with each other. The research could lead to the creation of a number of n... |
27 October 2009 02:49 GMT |
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Guiding light through optical fibers was never something easy to do, and the communication industry has been using photonic crystals – specially patterned materials – for the job since the early days. In mobile phones, unwanted frequencies are screened out using similar materials, called phononic crystals... |
19 October 2009 02:20 GMT |
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A new scientific study seems to indicate that, in their quest for protection from the harmful effects of UV radiation, people may not have to pay the premium prices regularly associated with sun-protective clothing. Experts have recently determined that opting for clothes dyed in blue or red may be just as effective,... |
15 October 2009 08:52 GMT |
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Far from being the only ones attempting to create an artificial black hole, Chinese researchers recently announced that they were able to produce the first artificial black hole for microwaves. If light in this energy spectrum enters the construct, it can no longer leave it, the team reports. Its accomplishment was m... |
14 October 2009 08:48 GMT |
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Experts in the United Kingdom and Germany have recently announced the development of a new drug-delivery method, which relies on microcapsules and ultraviolet light to get the job done. Essentially, the medicine is loaded unto the capsules, which are then steered to their correct destination. The main goal is to avoi... |
8 October 2009 01:29 GMT |
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For all its massive size, our galaxy, the Milky Way, is a bit slow when it comes to forming new stars. This is not the case with other large galaxies, which produce young, blue suns at very high rates. These areas of intense star production, known as stellar nurseries, have long been associated with radiation, and a ... |
2 October 2009 20:31 GMT |
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Two of the most advanced telescopes orbiting the planet or the Sun today were launched this year aboard an Ariane 5 delivery system by the European Space Agency (ESA). One of them is the Planck observatory, whose mission is to analyze the Cosmic Microwave Background (CMB), while the other is the flagship mission, the... |
2 October 2009 04:50 GMT |
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The Atacama Large Millimeter/submillimeter Array (ALMA) is one of the world's most powerful telescopes, and also one that is placed in an ideal position to observe the Universe. Situated atop the 5,000-meter plateau of Chajnantor, in the Chilean Andes, the array benefits from exquisite meteorological and atmosph... |
24 September 2009 05:55 GMT |
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It's widely known that the Sun functions on an 11-year cycle, varying periods of intense activity and relative stagnation. The human eye is not attuned to observing the differences – when looking at the noon sky, the star looks the same way it always has. We see visible light fairly proficient, but cannot ... |
23 September 2009 06:53 GMT |
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An international research effort, made up of scientists from the United Kingdom, Taiwan, and Spain, has recently taken a considerable step forward in furthering the field of photonics research, when it has developed a new, efficient light source for scientific experiments. Photonics is the science of manipulating pho... |
21 September 2009 04:58 GMT |
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Finding radio signals that may be sent throughout the Universe by advanced cultures living among the stars has fascinated researchers for quite some time, and, ever since the technology has become available, surveys of the skies have pointed telescope antennas at many sources of radio wavelengths, hoping to find mess... |
17 September 2009 03:00 GMT |
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In a new study of the M31 galaxy, our closest galactic neighbor from the Andromeda Constellation, the American space agency's Swift satellite managed to snap the most complex and detailed image of its ultraviolet sources. Experts say that some 20,000 of them are visible in the new, high-resolution picture, and t... |
17 September 2009 01:48 GMT |
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An international group of researchers has recently discovered the fact that banana peels, which may be a clear indicator that the fruits have gone bad on the inside, do not change their aspect as they deteriorate. At least not in visible wavelengths. When researchers placed the peels under ultraviolet (UV) light, the... |
10 September 2009 16:11 GMT |
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A team of international researchers, working in collaboration with experts from the Naval Research Laboratory (NRL) Space Science Division have recently announced that the Fermi telescope managed to identify 16 new, bright sources of gamma-rays, in 16 pulsating neutron stars. For the discovery, blind frequency search... |
10 September 2009 10:41 GMT |
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Scientists at the National Institute of Standards and Technology (NIST) have recently developed a new method of detecting near-infrared light, an achievement that could have significant repercussions for research fields ranging from quantum communications to astronomy and forensics. In the future, the new, highly sen... |
27 August 2009 20:41 GMT |
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For many years, experts have tried to gain a better understanding of cancer, of why it appears, and of how it spreads through the human body. In order to do this, they need to be able to observe and to control interactions that occur within a cell, especially at the individual protein level. Recently, breakthroughs h... |
20 August 2009 04:56 GMT |
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The first two prototype antennas, out of a total of 13,000 to be constructed at the new Long Wavelength Array (LWA) observatory, have recently made their first measurements, as scientists in charge of the project have begun to calibrate and test them. They are, at this point, part of the Long Wavelength Demonstrator ... |
19 August 2009 03:03 GMT |
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Scientists at the University of Utah have recently announced the development of a new mathematical model, which could lead to the creation of a novel cloaking method. The research is not aimed at producing “invisibility cloaks” that absorb visible light, but rather at creating new means of making stealth ... |
17 August 2009 04:33 GMT |
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Scientists from the Norfolk State University in Virginia, together with colleagues from the Purdue University, have recently showcased their latest nanolaser, which they say is the smallest in the world. The new device is, however, not a laser in the strictest terms. It is rather a “spaser,” a device that... |
17 August 2009 01:45 GMT |
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Scientists at the University of California in Riverside (UCR) are about to engage in a long-term, five-year effort, to begin in 2010, that will aim to drastically reshape the way in which we communicate and navigate in homes, offices, airports and especially in places where radio frequency communication is prohibited... |
13 August 2009 17:41 GMT |
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The stellar explosions that form type 1a supernovas are among the most important events that can happen in space, scientifically speaking. Their steadfast level of luminosity, which is perceived as never-changing, has thus far helped astronomers create maps of distances between the various objects in our surroundings... |
13 August 2009 09:01 GMT |
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In a groundbreaking new study, published today, in the August 14th issue of the New Journal of Physics, experts from the Physics Department at the Hong Kong University of Science and Technology announce that that they are nearing the creation of the first-ever tunable electromagnetic gateway. This device, which, even... |
13 August 2009 06:55 GMT |
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Scientists at the National Physical Laboratory (NPL), in Teddington, the UK, have recently announced the creation of a new type of imaging technology, which would allow mechanized and autonomous harvesting equipment to produce the best yield possible from a given stretch of land. The innovation is very important when... |
12 August 2009 05:47 GMT |
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The study of protein structures is a very complex and delicate one, focusing on tiny formations at a very small scale. But this field of research could soon benefit from a large push forward, as researchers recently announced the development of a new laser technology, which allows the use of light pulses to grow High... |
6 August 2009 02:31 GMT |
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The Spitzer Space Telescope is one of NASA's four Great Observatories, which also include Chandra, Hubble and the former Compton observatory. Launched in 2003 aboard a Delta II rocket, its goal is to survey the Universe in infrared wavelengths. However, in order to do that, it needs to be cooled close to absolut... |
6 August 2009 01:22 GMT |
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Physicists at the Boston College have recently managed to use new metamaterials to successfully control a beam of light employing a set of complex instructions. The achievement could have significant applications in the field of bending light around corners or other objects, and could contribute significantly to prod... |
1 August 2009 04:49 GMT |
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Working together, experts from the Arizona State University, in the United States, and the Technical University of Eindhoven, in the Netherlands, have recently developed new methods of creating even smaller lasers, to be used in applications at the nanoscale. Existing methods are very cumbersome to follow, and requir... |
29 July 2009 03:56 GMT |
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Experts at the Georgia Institute of Technology (Georgia Tech) became fascinated with the shimmering lights that were reflected off the jewel beetle (Buprestidae family) some time ago, and decided that the amazing trait merited further investigation. The iridescent glow that these insects give off points at the fact t... |
24 July 2009 04:59 GMT |
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The physics world is currently engaged in a large-scale debate, which seeks to establish whether the tiny lenses a research group from the Pohang University of Science and Technology, in South Korea, created are indeed able to break the diffraction limit. The theory holds that no type of lens can see details that are... |
24 July 2009 02:24 GMT |
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A new, supermassive black hole, estimated to have 100 million times the mass of the Sun, has been discovered at the center of the NGC 1097 galaxy, located some 50 million light-years away from our planet. The formation became visible in a new Spitzer Space Telescope image, taken in the far- and near-infrared waveleng... |
24 July 2009 01:45 GMT |
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A venture between two American universities and a group of Canadian ones will result in one of the largest and most powerful ground-based telescopes in the world by 2018. At a project diameter of 30 meters (98.5 feet), the mammoth telescope will be constructed atop Mauna Kea, in the US island of Hawaii. This location... |
22 July 2009 04:42 GMT |
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In an international cooperative effort, experts managing the Chandra X-Rays Observatory, belonging to the American space agency NASA, and the optical Canada-France-Hawaii Telescope, on top of the Mauna Kea volcano, in Hawaii, have taken one of the most complex and revealing pictures to date of the Stephan’s Qui... |
10 July 2009 03:55 GMT |
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In new observations of the distant skies, astronomers managed to identify two supernova explosions that far exceeded any known record of age and distance. The Type IIn bodies were estimated to be approximately 11 billion years old, about two times more so than the previous record-holder, a supernova that exploded som... |
9 July 2009 04:16 GMT |
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In studies published in the July 2nd advanced online issue of the journal Science, teams of astronomers around the world have joined efforts in an attempt to complete a thorough analysis of more than two dozen pulsars observed by the Fermi Gamma-Rays Space Telescope. Of those 24 pulsars, 16 were discovered by the obs... |
7 July 2009 17:01 GMT |
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The southern constellation of Centaurus, located approximately 14 million light-years away, is home to two very important things – the massive galaxy Centaurus A and a monster black hole, which has about 50 million times the mass of our Sun. The galaxy, for some reason, cannot be viewed very clearly in optical ... |
7 July 2009 10:27 GMT |
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After using two ground-based observatories and a space telescope as primary instruments, a wide and long-term astronomical effort, designed to discover the most distant galaxy clusters in the early Universe, has finally come to an end. Scientists at the University of California in Riverside (UCR) looked only after cl... |
1 July 2009 16:01 GMT |
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Officials at the European Space Agency (ESA) have recently released an image of the Messier 51 galaxy, also known as the Messier Galaxy, which was partially collected by the newly launched Herschel Space Telescope, and partially by the famous Hubble Space Telescope. The composite photograph shows the well-known galax... |
1 July 2009 13:01 GMT |
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In order to be able to detect the faintest light signatures in the distant Universe, the Spitzer Space Telescope had to be cooled since launch at about -456 degrees Fahrenheit (-271 Celsius), in order for its three main instruments to function properly. Despite only being set to operate for about three years, the tel... |
24 June 2009 05:20 GMT |
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In the first tests of the largest infrared telescope ever constructed, Herschel mission controllers opened the observatory's eyes on June 14th, and set it to take snapshots of the Messier 51 galaxy. More famously known as the whirlpool galaxy, Messier 51 was discovered by Charles Messier back in 1773, and its na... |
22 June 2009 16:01 GMT |
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The Gran Telescopio Canarias (GTC), or the Great Telescope Canary Islands, is the largest optical observatory completed in the world to date. With its 10.4-meter aperture and its exquisite position some 2,400 levels above sea level, on top of a volcano, the telescope is best equipped to handle optical images, and can... |
22 June 2009 08:53 GMT |
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Messier 87 is a nearby, giant, elliptical galaxy, which has fascinated astronomers for quite a long time. It's the largest and brightest in the northern Virgo Cluster, and it is located only 55 million light-years away from us. M87 is also a popular target with amateur and professional astronomical studies, and ... |
9 June 2009 03:26 GMT |
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