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Home > News > Tags > light
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A team of engineers and physicists at the Stanford University announce the development of a new technique for welding together crisscrossing meshes of metal nanowires. The group says that shining beams of light on the edges of the diminutive structures is enough to glue them together.
According to scientists, there ... |
14 February 2012
05:01 GMT |
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Colorado School of Mines scientists have just create a new type of filter for circular polarized light, bringing the goal of having the ability to control all possible polarizations of visible light one step closer to reality. The achievement opens the way for several high-profile applications.
Light filters are ob... |
9 February 2012
07:03 GMT |
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The NASA Hubble Space Telescope's Wide Field Camera 3 (WFC3), which was outfitted to the satellite in 2009, was recently able to observe the oldest-known instance of a massive stellar explosion, a Type Ia supernova that blew up more than 9 billion light-years away.
What this means is that the event took place ... |
13 January 2012
04:54 GMT |
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A project launched by My Shelter Foundation, a non-governmental organization from the Philippines aims to lighten the homes of financially-challenged people in an unconventional, eco-friendly manner.
The organization has decided to implement a risk-free technology that currently takes 25,000 homes out of the dark, ... |
23 December 2011
02:33 GMT |
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A team of physicists at the US National Institute for Standards and Technology (NIST) announces the development of a new sensor that is capable of measuring the optical power passing through a fiber optics cable with unprecedented levels of accuracy.
The advanced radiometer, whose performances are mostly a direct r... |
21 December 2011
05:00 GMT |
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In a paper published in the October 7 issue of the scientific journal Optics Express, physicists at the Princeton University show that trying to block the path of a light beam by covering the hole through which it passes tends to enhance the photon stream, rather than subdue it.
Conventional wisdom holds that placin... |
22 November 2011
18:41 GMT |
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India struggles to follow the green trend while letting its 1.21 billion inhabitants enjoy the benefits of earth-friendly energy. This is the second most populous nation all across the Globe, but its resources aren't divided in an equitable manner.
While some people enjoy prosperity and opulence, a more signif... |
15 November 2011
07:19 GMT |
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Diffuse interstellar bands have been a mystery for astronomers for the better part of 90 years, but a study conducted recently on molecules at the core of the Milky Way may finally solve their riddle.
A long time ago, experts found several types of very odd molecules near the core of our galaxy, which absorbed ligh... |
3 November 2011
11:02 GMT |
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A collaboration of physicists at the Cornell University, in Ithaca, New York, announces the creation of a hole in time, an artificial construct that enables users to conceal the very existence of a light pulse for about 110 nanoseconds. This is one of the most remarkable scientific discoveries made in 2011.
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13 October 2011
10:09 GMT |
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A group of investigators at the Purdue University, led by expert Evgenii Narimanov, announces the development of a new type of metamaterial that is capable of absorbing much more light than any competitor on the market today. To a casual observer, the material appears extremely black.
The most potent black dyes c... |
29 September 2011
20:31 GMT |
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One of the most interesting implications of Albert Einstein's theory of general relativity has been demonstrated in a new study. Experts managed to confirm that light indeed travels from distant clusters in the manner implied by this fundamental building block of modern physics.
Interestingly enough, while t... |
29 September 2011
06:41 GMT |
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An international collaboration of astronomers announces the discovery of spectral signatures thought to belong to large organic molecules inside two nearby galaxies, Andromeda and Triangulum. The molecules thought to produce these light signatures comprise of 20 atoms or more. Though they may not seem overly complex,... |
22 August 2011
07:50 GMT |
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An international collaboration of researchers is working on a new method of understanding what happens during chemical reactions. The approach is extremely complex, as it involves tracking the behavior of individual electrons as this happens. Doing so is a monumentally difficult task, considering that the elementary ... |
16 August 2011
05:26 GMT |
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In a new scientific study researchers at the University of Virginia, in the United States, conducted on unsuspecting mice, the team determined that it may be possible to reduce fear and anxiety symptoms in the tiny rodents by making good use of light.Though this research may seem a bit strange at first, it actually h... |
13 August 2011
04:58 GMT |
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A group of investigators at the University of Maryland, in the United States, announce that they were recently able to simulate the end of time. They say that the conditions they replicated are known to astronomers as the Big Crunch, or the final event to take place in the Universe.
What the scientists determined ... |
30 July 2011
04:02 GMT |
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Rice University investigators announce the creation of a new diagnostics method for Alzheimer's disease, which functions in a very straightforward manner. The team developed a light-switching complex that can attach itself to the amyloid protein, a remarkable scientific feat. The amyloid protein tends to clump u... |
14 July 2011
08:41 GMT |
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All materials that appear in nature have a positive refractive index, but a team of experts recently manged to produce a new device, that has an index of refraction of zero. This is the first time that such a material is produced using nanotechnology.Columbia Engineering School investigators led the collaborative res... |
11 July 2011
04:46 GMT |
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Washington University in St. Louis (WUSL) investigators announce the development of a new microscale laser, no larger than a pinprick, which is capable of detecting and counting particles at the nanoscale with tremendous precision. Among the most important applications that researchers envision for their new device, ... |
28 June 2011
08:23 GMT |
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A collaboration of researchers from the Swiss Federal Institute for Technology (SFIT) managed to develop a new method for controlling the expression of genes using light. The achievement was only made possible by using proteins extracted from the human retina. By using these molecules, the experts were able to make t... |
24 June 2011
04:48 GMT |
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Following new discoveries made in a very large galaxy clusters, experts are now proposing that the emergence of life in the Universe would be extremely difficult without the presence of dark matter. The stuff, which can only be detected by analyzing the gravitational influence it exerts on normal, baryonic matter, ma... |
23 June 2011
10:00 GMT |
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Harvard University scientists announce the creation of a new type of laser, which is made out of living cells injected with a special protein. The cells can remain alive even as they produce the amplified light, the team reports. Generally, laser light is produced when a light source is bounced back and forth between... |
13 June 2011
05:15 GMT |
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Scientists at Brown University say that life forms capable of sight – which include fish, birds, reptiles, mammals and so on – do not have brains that are innately hardwired to see. Rather, gaining sight is an active process that relies heavily on light itself. In order to demonstrate this, the researcher... |
6 June 2011
02:30 GMT |
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Investigators from the Applied Science Faculty at the Free University Bruxelles announce the discovery of a new amazing property for graphene, and namely the fact that it can polarize light. Now, Dr. Han Zhang at the Service OPERA-photonique's Applied Science Faculty, ULB, and Dr. Qiaoliang Bao (the first author... |
30 May 2011
11:04 GMT |
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At first Outland seems like a simple game, built around classic platformer concepts with a little bit of combat thrown in for good measure, but playing for more than 15 minutes reveals a smart game with very well-implemented controls that incorporates some very innovative color mechanics. The game has been developed... |
16 May 2011
19:31 GMT |
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Researchers have recently developed a new type of laser, one that can produce high-intensity laser light of almost any color by mimicking the nanoscale structure of colorful feathers found on some birds.This advancement was made possible by the fact that researchers managed to master and replicate the way birds'... |
9 May 2011
05:40 GMT |
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Physicists from the University of Michigan announce the discovery of a new magnetic effect caused by light. This is the first time this is observed, and experts say that the discovery overturns a 100-year-old theory that has been governing this field of research.According to the team behind the new work, the effect i... |
20 April 2011
04:48 GMT |
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Photons – the basic particles that make up light – have a tendency to move about unimpeded, and in whichever direction they choose. But new materials currently being developed could allow experts to create one-way streets for light, in which photons travel in a single direction.These nonlinear materials c... |
20 April 2011
03:06 GMT |
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A renowned researcher was recently able to discover the existence of a molecule that apparently plays a critical role in remodeling human airways. The finding is tremendously important, as it could lead to the development of new drugs against conditions such as chronic asthma. The molecule was discovered by a team of... |
18 April 2011
07:45 GMT |
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A group of investigators was recently able to demonstrate that nanoscale objects can be successfully visualized, even if they break a threshold known among experts as the diffraction limits. Scientists in Europe have just demonstrated that this can be done successfully, by using a new type of lens.Generally speaking,... |
22 March 2011
12:36 GMT |
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A collaboration of physicists and ecologists in Germany has recently determined that cloud covers are largely responsible for the brightness of the night sky above the world's major cities. The atmospheric features also contribute to increasing light pollution, the team explains. What's interesting to note ... |
3 March 2011
08:41 GMT |
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For all their “popularity“ with scientists, black holes are still pretty much mysterious in every aspect, including when it comes to their basic properties. For instance, it's still unclear if they spin or not, but that could soon change. A team of scientists is already studying the issue via a new m... |
15 February 2011
10:39 GMT |
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Science-fiction is indeed starting to become reality, like many predicted years ago. Recently, scientists developed an invisibility cloak of sorts, that works for sounds emitted underwater. The finding is important, as it could be used to make submarines completely “invisible” to enemy sonars. The new aco... |
14 January 2011
08:34 GMT |
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An international collaboration of experts has demonstrated that photons, the basic particles that make up light, can be used in a controlled manner for changing the electrical properties of graphene. This is one of the most interesting and studied new materials today. It was discovered only half a decade ago, but the... |
11 January 2011
03:06 GMT |
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A team of astronomers was recently able to conduct a groundbreaking analysis on the atmosphere of a particular exoplanet, which they managed to image in several wavelengths, using various filters.This is unfortunately rather uncommon for exoplanetary research, given the vast distances that exist between Earth and any... |
5 January 2011
03:33 GMT |
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One of the most interesting astronomy news for 2010 had a lot to do with the discovery of a pulsar that apparently moved faster than the speed of light. This obviously turned out to be just an illusion, but a pretty convincing one at that. Now, experts compile a list explaining why superluminal motions appear. Produc... |
3 January 2011
05:10 GMT |
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A team of University of North Carolina School of Medicine scientists made a very important step in understanding the underlying molecular signals that influence a wide range of biological processes – from the sleep-wake cycle to cancer growth and development.This field of study is called chronobiology, and scie... |
29 December 2010
10:57 GMT |
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A new Queen's University study found, for the first time, that there are differences in the way males and females of the same species of vertebrate see things, and that they use their sight to choose their mates.PhD candidate Shai Sabbah, a Vanier Scholar, and leader of the team, along with his colleagues, studi... |
14 December 2010
05:19 GMT |
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A group of scientists from the United States announced the development of a new type of metamaterial, that is capable of bending both light and itself, opening up the way for a new host of applications, such as advanced camouflages. The achievement is significant because it operates in the developing field of metamat... |
8 November 2010
03:02 GMT |
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A team of experts managed to create a diode-like device that allows electromagnetic waves to pass in one direction, but prevents them from going the opposite way. The innovation could have a wide array of practical applications. The new diode was constructed specifically for polarized microwaves, the group explains, ... |
1 November 2010
10:25 GMT |
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A team of investigators at the Harvard University is trying to get a deeper insight into the neurological basis of olfaction, and they created a special breed of mice to do so. The transgenic (genetically-altered) rodents can essentially “smell” light. The team of neurobiologists that conducted the invest... |
18 October 2010
04:09 GMT |
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Conducting science has become a lot easier since investigators learned to use instruments to aid their senses, and the microscope was undoubtedly one of the greatest inventions ever. Now, experts are seeking to innovate it.The work is being conducted by a team of researchers at the University of Freiburg Department o... |
12 October 2010
09:39 GMT |
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Until now, experts have placed a lot of emphasis on producing solar cells that are as smooth as possible, but a recent investigation suggests they may have been on a wild goose chase all along. Investigators from the Stanford University have shown in a new set of experiments that roughening silicon wafers up a bit re... |
28 September 2010
07:46 GMT |
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Using animal models, researchers have been able to demonstrate for the first time that shining millisecond-long pulses of light on nerve cells can produce movement. The investigation, which was conducted on unsuspecting mice, relied on the use of a tiny LED device, and also on employing the help of a special type of ... |
27 September 2010
04:43 GMT |
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While following up on some previous discoveries, a team of astronomers determined that water molecules in space can be produced simply in the presence of ultraviolet light.The group was investigating findings made some time ago, when a massive cloud of water vapors, heated at high temperatures, was discovered around ... |
2 September 2010
08:43 GMT |
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Researchers at the Syracuse University show in a new research that promoting the acceleration of algae growth is possible through the use of light particles called photons.The group says that the method relies on using a very special type of light-manipulation technique, that is derived from nanotechnology.From ... |
25 August 2010
08:31 GMT |
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A novel type of the important plant pigment chlorophyll has been recently identified. The finding could lead to the development of new methods to produce biofuels more efficiently. Until now, the chemical was known to be sensitive to only a certain portion of the electromagnetic spectrum, but the new discovery extend... |
20 August 2010
07:01 GMT |
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Windows that allow light and heat levels adjusting are already available but Soladigm, the producing company, aims at making these "electrochromic" windows a lot cheaper and thus more affordable for home and office buildings use.Having a large scale utilization of this type of windows is a good way of reducing heatin... |
13 August 2010
09:45 GMT |
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Even the most inexpensive green lasers may be more harmful to the eyes and one's health than initially calculated, say experts who looked at how much infrared light the devices emit. Generally, a ball point pen-sized green laser device can be bought from anywhere in the United States for about $15. Manufacturers... |
12 August 2010
08:56 GMT |
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Metamaterials are a very special class of materials that are engineered specifically for a certain job. Though they are basically common chemical elements, or mixes thereof, their internal structures are arranged differently than they are in nature. As such, metamaterials can be used for a variety of applications for... |
5 August 2010
05:10 GMT |
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A group of investigators from the Northwestern University, in the United States, has recently developed a new nanoscale fabrication technique, that could mean for the industry what the desktop printer meant for printing and information transfer. The method, called beam-pen lithography (BPL), uses about 15,000 tiny be... |
2 August 2010
03:33 GMT |
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